<?xml version="1.0" encoding="UTF-8"?><report><tests>621</tests><platform><python_compiler>GCC 9.3.0</python_compiler><release>5.10.0-218.0.0.mt20250120.565.mt2203sp4.x86_64</release><processor>x86_64</processor><python_implementation>CPython</python_implementation><python_version>3.5.10</python_version><architecture>64bit</architecture><version>#1 SMP Tue Jan 21 14:11:32 CST 2025</version><node>test-node</node><system>Linux</system><machine>x86_64</machine></platform><obspy><mseed><tests>94</tests><installed>0.9.2-1432-g5317e</installed><errors><f32>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/doctest.py", line 2190, in runTest
    raise self.failureException(self.format_failure(new.getvalue()))
AssertionError: Failed doctest test for obspy.mseed.__init__
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/mseed/__init__.py", line 1, in __init__

----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/mseed/__init__.py", line 65, in obspy.mseed.__init__
Failed example:
    print(st[0].data)
Expected:
    [2787 2776 2774 ..., 2850 2853 2853]
Got:
    [2787 2776 2774 ... 2850 2853 2853]

</f32><f31>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/mseed/tests/test_mseed_special_issues.py", line 262, in test_readQualityInformationWarns
    read(timingqual)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/decorator.py", line 366, in new_func
    ind = inspect.getargspec(func).args.index(arg_kwarg_name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/inspect.py", line 1046, in getargspec
    stacklevel=2)
DeprecationWarning: inspect.getargspec() is deprecated, use inspect.signature() instead
</f31><f33>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/mseed/tests/test_mseed_reading_and_writing.py", line 1059, in test_corruptFileLength
    self.assertEqual(len(w), 1)
AssertionError: 2 != 1
</f33></errors><tested>True</tested><failures /><timetaken>2.9004604816436768</timetaken><skipped>0</skipped></mseed><zmap><tests>12</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.20592498779296875</timetaken><skipped>0</skipped></zmap><station><tests>45</tests><installed>0.9.2-1432-g5317e</installed><errors><f52>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/numpy/core/function_base.py", line 117, in linspace
    num = operator.index(num)
TypeError: 'float' object cannot be interpreted as an integer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/tests/test_network.py", line 197, in test_response_plot
    time=t, outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/network.py", line 541, in plot_response
    unwrap_phase=unwrap_phase, show=False, outfile=None)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/channel.py", line 359, in plot
    unwrap_phase=unwrap_phase, show=show, outfile=outfile)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/response.py", line 1223, in plot
    end_stage=end_stage)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/response.py", line 1060, in get_evalresp_response
    freqs = np.linspace(0, fy, nfft // 2 + 1).astype(np.float64)
  File "&lt;__array_function__ internals&gt;", line 6, in linspace
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/numpy/core/function_base.py", line 121, in linspace
    .format(type(num)))
TypeError: object of type &lt;class 'float'&gt; cannot be safely interpreted as an integer.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/tests/test_network.py", line 197, in test_response_plot
    time=t, outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f52><f50>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/numpy/core/function_base.py", line 117, in linspace
    num = operator.index(num)
TypeError: 'float' object cannot be interpreted as an integer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/tests/test_inventory.py", line 213, in test_response_plot
    station="[WR]*", time=t, outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/inventory.py", line 681, in plot_response
    outfile=None)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/channel.py", line 359, in plot
    unwrap_phase=unwrap_phase, show=show, outfile=outfile)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/response.py", line 1223, in plot
    end_stage=end_stage)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/response.py", line 1060, in get_evalresp_response
    freqs = np.linspace(0, fy, nfft // 2 + 1).astype(np.float64)
  File "&lt;__array_function__ internals&gt;", line 6, in linspace
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/numpy/core/function_base.py", line 121, in linspace
    .format(type(num)))
TypeError: object of type &lt;class 'float'&gt; cannot be safely interpreted as an integer.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/tests/test_inventory.py", line 213, in test_response_plot
    station="[WR]*", time=t, outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f50><f48>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/numpy/core/function_base.py", line 117, in linspace
    num = operator.index(num)
TypeError: 'float' object cannot be interpreted as an integer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/tests/test_response.py", line 135, in test_response_plot
    outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/response.py", line 1223, in plot
    end_stage=end_stage)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/response.py", line 1060, in get_evalresp_response
    freqs = np.linspace(0, fy, nfft // 2 + 1).astype(np.float64)
  File "&lt;__array_function__ internals&gt;", line 6, in linspace
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/numpy/core/function_base.py", line 121, in linspace
    .format(type(num)))
TypeError: object of type &lt;class 'float'&gt; cannot be safely interpreted as an integer.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/tests/test_response.py", line 135, in test_response_plot
    outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f48><f51>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/numpy/core/function_base.py", line 117, in linspace
    num = operator.index(num)
TypeError: 'float' object cannot be interpreted as an integer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/tests/test_channel.py", line 60, in test_response_plot
    cha.plot(0.005, outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/channel.py", line 359, in plot
    unwrap_phase=unwrap_phase, show=show, outfile=outfile)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/response.py", line 1223, in plot
    end_stage=end_stage)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/response.py", line 1060, in get_evalresp_response
    freqs = np.linspace(0, fy, nfft // 2 + 1).astype(np.float64)
  File "&lt;__array_function__ internals&gt;", line 6, in linspace
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/numpy/core/function_base.py", line 121, in linspace
    .format(type(num)))
TypeError: object of type &lt;class 'float'&gt; cannot be safely interpreted as an integer.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/tests/test_channel.py", line 60, in test_response_plot
    cha.plot(0.005, outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f51><f49>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/numpy/core/function_base.py", line 117, in linspace
    num = operator.index(num)
TypeError: 'float' object cannot be interpreted as an integer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/tests/test_station.py", line 56, in test_response_plot
    sta.plot(0.05, channel="*[NE]", outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/station.py", line 435, in plot
    unwrap_phase=unwrap_phase, show=False, outfile=None)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/channel.py", line 359, in plot
    unwrap_phase=unwrap_phase, show=show, outfile=outfile)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/response.py", line 1223, in plot
    end_stage=end_stage)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/response.py", line 1060, in get_evalresp_response
    freqs = np.linspace(0, fy, nfft // 2 + 1).astype(np.float64)
  File "&lt;__array_function__ internals&gt;", line 6, in linspace
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/numpy/core/function_base.py", line 121, in linspace
    .format(type(num)))
TypeError: object of type &lt;class 'float'&gt; cannot be safely interpreted as an integer.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/station/tests/test_station.py", line 56, in test_response_plot
    sta.plot(0.05, channel="*[NE]", outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f49></errors><tested>True</tested><failures /><timetaken>1.839207410812378</timetaken><skipped>6</skipped></station><db><tests>9</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.030306339263916016</timetaken><skipped>0</skipped></db><iris /><wav><tests>8</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.1856846809387207</timetaken><skipped>1</skipped></wav><neries /><seishub /><imaging><tests>58</tests><installed>0.9.2-1432-g5317e</installed><errors><f10>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 133, in test_plotOneHourFewSamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 133, in test_plotOneHourFewSamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f10><f4>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 184, in test_plotComplexGapManySamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 184, in test_plotComplexGapManySamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f4><f21>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/doctest.py", line 2190, in runTest
    raise self.failureException(self.format_failure(new.getvalue()))
AssertionError: Failed doctest test for obspy.imaging.__init__
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/__init__.py", line 0, in __init__

----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/__init__.py", line 35, in obspy.imaging.__init__
Failed example:
    st.plot(color='gray', tick_format='%I:%M %p',
            starttime=st[0].stats.starttime,
            endtime=st[0].stats.starttime+20)
Exception raised:
    Traceback (most recent call last):
      File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/doctest.py", line 1321, in __run
        compileflags, 1), test.globs)
      File "&lt;doctest obspy.imaging.__init__[3]&gt;", line 3, in &lt;module&gt;
        endtime=st[0].stats.starttime+20)
      File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
        return waveform.plotWaveform(*args, **kwargs)
      File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
        self.plot(*args, **kwargs)
      File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
        axisbg=self.background_color)
      File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
        a = subplot_class_factory(projection_class)(self, *args, **kwargs)
      File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
        self._axes_class.__init__(self, fig, self.figbox, **kwargs)
      File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
        self.update(kwargs)
      File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
        ret = [_update_property(self, k, v) for k, v in props.items()]
      File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
        ret = [_update_property(self, k, v) for k, v in props.items()]
      File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
        raise AttributeError('Unknown property %s' % k)
    AttributeError: Unknown property axisbg
----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/__init__.py", line 109, in obspy.imaging.__init__
Failed example:
    Beachball(np1) #doctest: +ELLIPSIS
Expected:
    &lt;matplotlib.figure.Figure object at 0x...&gt;
Got:
    &lt;Figure size 200x200 with 1 Axes&gt;
----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/__init__.py", line 128, in obspy.imaging.__init__
Failed example:
    Beachball(mt) #doctest: +ELLIPSIS
Expected:
    &lt;matplotlib.figure.Figure object at 0x...&gt;
Got:
    &lt;Figure size 200x200 with 1 Axes&gt;

</f21><f30>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_spectrogram.py", line 47, in test_spectrogram
    np.seterr(**np_err)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 357, in __exit__
    msg = self.compare()
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 424, in compare
    return compare_images(self.baseline_image, self.name, tol=self.tol)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 198, in compare_images
    str(expected_image.shape)))
obspy.core.util.testing.ImageComparisonException: The shape of the received image (480, 640, 4) is not equal to the expected shape (600, 800, 4).
</f30><f1>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 76, in test_dataRemainsUnchanged
    st.plot(format='png')
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg
</f1><f20>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_scan.py", line 68, in test_scanTimes
    ['--quiet'])
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/scripts/scan.py", line 255, in main
    for time in times:
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/dates.py", line 419, in date2num
    return _to_ordinalf(d)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/dates.py", line 231, in _to_ordinalf
    cdate = getattr(dt, 'date', lambda: None)()
TypeError: 'datetime.date' object is not callable

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_scan.py", line 68, in test_scanTimes
    ['--quiet'])
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f20><f9>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 214, in test_plotMultipleTraces
    st.plot(outfile=ic.name, automerge=False)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/trace.py", line 835, in plot
    return waveform.plotWaveform()
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 214, in test_plotMultipleTraces
    st.plot(outfile=ic.name, automerge=False)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f9><f26>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_beachball.py", line 242, in test_collection
    fig.savefig(ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 357, in __exit__
    msg = self.compare()
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 424, in compare
    return compare_images(self.baseline_image, self.name, tol=self.tol)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 198, in compare_images
    str(expected_image.shape)))
obspy.core.util.testing.ImageComparisonException: The shape of the received image (1800, 1800, 4) is not equal to the expected shape (600, 600, 4).
</f26><f12>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 322, in test_plotRefTimeRelative
    st.plot(outfile=ic.name, type='relative', reftime=ref)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 322, in test_plotRefTimeRelative
    st.plot(outfile=ic.name, type='relative', reftime=ref)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f12><f25>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_beachball.py", line 79, in test_Beachball
    Beachball(data_, outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 397, in __exit__
    raise ImageComparisonException("\n".join([msg, upload_msg]))
obspy.core.util.testing.ImageComparisonException: Image comparision failed, RMS=79.80270672101291, tolerance=3.0. Set the OBSPY_KEEP_IMAGES env variable to keep the test images.

</f25><f14>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 148, in test_plotSimpleGapManySamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 148, in test_plotSimpleGapManySamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f14><f23>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 281, in test_plotDefaultSection
    st.plot(outfile=ic.name, type='section')
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 397, in __exit__
    raise ImageComparisonException("\n".join([msg, upload_msg]))
obspy.core.util.testing.ImageComparisonException: Image comparision failed, RMS=25.95718012419685, tolerance=3.0. Set the OBSPY_KEEP_IMAGES env variable to keep the test images.

</f23><f24>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_mopad.py", line 75, in test_collection
    fig.savefig(ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 357, in __exit__
    msg = self.compare()
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 424, in compare
    return compare_images(self.baseline_image, self.name, tol=self.tol)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 198, in compare_images
    str(expected_image.shape)))
obspy.core.util.testing.ImageComparisonException: The shape of the received image (1800, 1800, 4) is not equal to the expected shape (600, 600, 4).
</f24><f15>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 253, in test_plotWithLabels
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 253, in test_plotWithLabels
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f15><f3>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 205, in test_plotComplexGapFewSamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 205, in test_plotComplexGapFewSamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f3><f29>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_ppsd.py", line 42, in test_ppsd_plot
    fig.savefig(ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 357, in __exit__
    msg = self.compare()
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 424, in compare
    return compare_images(self.baseline_image, self.name, tol=self.tol)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 198, in compare_images
    str(expected_image.shape)))
obspy.core.util.testing.ImageComparisonException: The shape of the received image (480, 640, 4) is not equal to the expected shape (600, 800, 4).
</f29><f22>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 297, in test_plotAzimSection
    ev_coord=(0.0, 0.0))
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 397, in __exit__
    raise ImageComparisonException("\n".join([msg, upload_msg]))
obspy.core.util.testing.ImageComparisonException: Image comparision failed, RMS=24.14636038826556, tolerance=3.0. Set the OBSPY_KEEP_IMAGES env variable to keep the test images.

</f22><f2>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 263, in test_plotBinningError
    tr.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/trace.py", line 835, in plot
    return waveform.plotWaveform()
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 263, in test_plotBinningError
    tr.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f2><f27>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_beachball.py", line 287, in test_collection_aspect_x
    filename_width_height='bb_aspect_x_height.png')
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_beachball.py", line 263, in collection_aspect
    fig.savefig(ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 357, in __exit__
    msg = self.compare()
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 424, in compare
    return compare_images(self.baseline_image, self.name, tol=self.tol)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 198, in compare_images
    str(expected_image.shape)))
obspy.core.util.testing.ImageComparisonException: The shape of the received image (480, 640, 4) is not equal to the expected shape (600, 800, 4).
</f27><f18>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_scan.py", line 95, in test_multipleSamplingrates
    obspy_scan(files + ['--output', ic.name, '--quiet'])
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/scripts/scan.py", line 286, in main
    ignore_links=args.ignore_links)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/scripts/scan.py", line 118, in recursive_parse
    format, verbose, quiet=quiet)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/scripts/scan.py", line 97, in parse_file_to_dict
    data_dict[_id].append([date2num(tr.stats.starttime),
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/dates.py", line 419, in date2num
    return _to_ordinalf(d)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/dates.py", line 231, in _to_ordinalf
    cdate = getattr(dt, 'date', lambda: None)()
TypeError: 'datetime.date' object is not callable

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_scan.py", line 95, in test_multipleSamplingrates
    obspy_scan(files + ['--output', ic.name, '--quiet'])
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f18><f11>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 120, in test_plotOneHourManySamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 120, in test_plotOneHourManySamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f11><f13>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 163, in test_plotSimpleGapFewSamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 163, in test_plotSimpleGapFewSamples
    st.plot(outfile=ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f13><f16>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_plot.py", line 43, in test_plot
    obspy_plot(['--outfile', ic.name] + all_files)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/scripts/plot.py", line 38, in main
    st.plot(outfile=args.outfile, automerge=args.automerge)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_plot.py", line 43, in test_plot
    obspy_plot(['--outfile', ic.name] + all_files)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f16><f28>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_beachball.py", line 296, in test_collection_aspect_y
    filename_width_height='bb_aspect_y_height.png')
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_beachball.py", line 263, in collection_aspect
    fig.savefig(ic.name)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 357, in __exit__
    msg = self.compare()
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 424, in compare
    return compare_images(self.baseline_image, self.name, tol=self.tol)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 198, in compare_images
    str(expected_image.shape)))
obspy.core.util.testing.ImageComparisonException: The shape of the received image (480, 640, 4) is not equal to the expected shape (600, 800, 4).
</f28><f6>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 370, in test_plotDayPlotCatalog
    events=cat)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 261, in plotWaveform
    self.plotDay(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/decorator.py", line 77, in echo_func
    return func(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 422, in plotDay
    ax = self.fig.add_subplot(1, 1, 1, axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 370, in test_plotDayPlotCatalog
    events=cat)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f6><f8>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 308, in test_plotDefaultRelative
    st.plot(outfile=ic.name, type='relative')
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 308, in test_plotDefaultRelative
    st.plot(outfile=ic.name, type='relative')
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f8><f17>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_plot.py", line 59, in test_plotNoMerge
    all_files)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/scripts/plot.py", line 38, in main
    st.plot(outfile=args.outfile, automerge=args.automerge)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 265, in plotWaveform
    self.plot(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 364, in plot
    axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_plot.py", line 59, in test_plotNoMerge
    all_files)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f17><f7>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 356, in test_plotDayPlotExplicitEvent
    {'time': event5, 'text': 'Event 5'}])
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 261, in plotWaveform
    self.plotDay(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/decorator.py", line 77, in echo_func
    return func(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 422, in plotDay
    ax = self.fig.add_subplot(1, 1, 1, axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 356, in test_plotDayPlotExplicitEvent
    {'time': event5, 'text': 'Event 5'}])
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f7><f19>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_scan.py", line 51, in test_scan
    obspy_scan([os.curdir] + ['--output', ic.name, '--quiet'])
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/scripts/scan.py", line 286, in main
    ignore_links=args.ignore_links)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/scripts/scan.py", line 122, in recursive_parse
    format, verbose, quiet, ignore_links)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/scripts/scan.py", line 118, in recursive_parse
    format, verbose, quiet=quiet)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/scripts/scan.py", line 97, in parse_file_to_dict
    data_dict[_id].append([date2num(tr.stats.starttime),
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/dates.py", line 419, in date2num
    return _to_ordinalf(d)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/dates.py", line 231, in _to_ordinalf
    cdate = getattr(dt, 'date', lambda: None)()
TypeError: 'datetime.date' object is not callable

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_scan.py", line 51, in test_scan
    obspy_scan([os.curdir] + ['--output', ic.name, '--quiet'])
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f19><f5>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 334, in test_plotDayPlot
    timezone='EST', time_offset=-5)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/stream.py", line 1120, in plot
    return waveform.plotWaveform(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 261, in plotWaveform
    self.plotDay(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/decorator.py", line 77, in echo_func
    return func(*args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/waveform.py", line 422, in plotDay
    ax = self.fig.add_subplot(1, 1, 1, axisbg=self.background_color)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/figure.py", line 1367, in add_subplot
    a = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_subplots.py", line 70, in __init__
    self._axes_class.__init__(self, fig, self.figbox, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/axes/_base.py", line 506, in __init__
    self.update(kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in update
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 916, in &lt;listcomp&gt;
    ret = [_update_property(self, k, v) for k, v in props.items()]
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/matplotlib/artist.py", line 912, in _update_property
    raise AttributeError('Unknown property %s' % k)
AttributeError: Unknown property axisbg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/imaging/tests/test_waveform.py", line 334, in test_plotDayPlot
    timezone='EST', time_offset=-5)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/core/util/testing.py", line 374, in __exit__
    if msg:
UnboundLocalError: local variable 'msg' referenced before assignment
</f5></errors><tested>True</tested><failures /><timetaken>7.846886873245239</timetaken><skipped>1</skipped></imaging><fdsn /><installed>0.9.2-1432-g5317e</installed><realtime><tests>22</tests><installed>0.9.2-1432-g5317e</installed><errors><f37>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/doctest.py", line 2190, in runTest
    raise self.failureException(self.format_failure(new.getvalue()))
AssertionError: Failed doctest test for obspy.realtime.rttrace.RtTrace
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/realtime/rttrace.py", line 38, in RtTrace

----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/realtime/rttrace.py", line 76, in obspy.realtime.rttrace.RtTrace
Failed example:
    print(epicentral_distance)
Expected:
    30.0855
Got:
    30.085527
----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/realtime/rttrace.py", line 106, in obspy.realtime.rttrace.RtTrace
Failed example:
    print(peak)
Expected:
    0.136404
Got:
    0.13640444

</f37></errors><tested>True</tested><failures /><timetaken>0.4234120845794678</timetaken><skipped>0</skipped></realtime><neic /><core /><pdas><tests>3</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.03374171257019043</timetaken><skipped>0</skipped></pdas><segy><tests>45</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.35622334480285645</timetaken><skipped>0</skipped></segy><nlloc><tests>6</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.09008216857910156</timetaken><skipped>0</skipped></nlloc><seg2><tests>1</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.043044090270996094</timetaken><skipped>0</skipped></seg2><seedlink /><datamark><tests>2</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.2561836242675781</timetaken><skipped>0</skipped></datamark><taup><tests>6</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.016224145889282227</timetaken><skipped>0</skipped></taup><gse2><tests>36</tests><installed>0.9.2-1432-g5317e</installed><errors><f0>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/doctest.py", line 2190, in runTest
    raise self.failureException(self.format_failure(new.getvalue()))
AssertionError: Failed doctest test for obspy.gse2.__init__
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/gse2/__init__.py", line 1, in __init__

----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/gse2/__init__.py", line 77, in obspy.gse2.__init__
Failed example:
    print(st[0].data)
Expected:
    [ 12 -10  16 ...,   8   0 -40]
Got:
    [ 12 -10  16 ...   8   0 -40]

</f0></errors><tested>True</tested><failures /><timetaken>0.29235172271728516</timetaken><skipped>0</skipped></gse2><earthworm /><ah><tests>4</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.10948586463928223</timetaken><skipped>0</skipped></ah><pde><tests>13</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.26984572410583496</timetaken><skipped>0</skipped></pde><signal><tests>94</tests><installed>0.9.2-1432-g5317e</installed><errors><f42>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/tests/test_trigger.py", line 373, in test_coincidenceTriggerWithSimilarityChecking
    similarity_threshold=similarity_thresholds)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/trigger.py", line 631, in coincidenceTrigger
    tmp_triggers = triggerOnset(tr.data, thr_on, thr_off, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/trigger.py", line 347, in triggerOnset
    of.extend(ind2[np.diff(ind2) &gt; 1].tolist())
IndexError: boolean index did not match indexed array along dimension 0; dimension is 3395 but corresponding boolean dimension is 3394
</f42><f47>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/doctest.py", line 2190, in runTest
    raise self.failureException(self.format_failure(new.getvalue()))
AssertionError: Failed doctest test for obspy.signal.cross_correlation.templatesMaxSimilarity
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/cross_correlation.py", line 433, in templatesMaxSimilarity

----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/cross_correlation.py", line 463, in obspy.signal.cross_correlation.templatesMaxSimilarity
Failed example:
    print(templatesMaxSimilarity(st, t, [templ]))
Expected:
    0.922536411468
Got:
    0.922536411467628

</f47><f43>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/tests/test_trigger.py", line 107, in test_triggerOnset
    picks = triggerOnset(cft, 1.5, 1.0, max_len=50)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/trigger.py", line 347, in triggerOnset
    of.extend(ind2[np.diff(ind2) &gt; 1].tolist())
IndexError: boolean index did not match indexed array along dimension 0; dimension is 402 but corresponding boolean dimension is 401
</f43><f44>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/tests/test_freqattributes.py", line 141, in test_logcep
    self.n, 'Hamming')
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/freqattributes.py", line 345, in logcep
    m, a, b = logbankm(p, nfft, fs, w)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/freqattributes.py", line 319, in logbankm
    xx = sparse.coo_matrix((v, (c, r))).transpose().todense()
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/scipy/sparse/coo.py", line 151, in __init__
    N = operator.index(np.max(col)) + 1
TypeError: 'numpy.float64' object cannot be interpreted as an integer
</f44><f41>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/tests/test_trigger.py", line 149, in test_coincidenceTrigger
    lta=10)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/trigger.py", line 631, in coincidenceTrigger
    tmp_triggers = triggerOnset(tr.data, thr_on, thr_off, **kwargs)
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/trigger.py", line 347, in triggerOnset
    of.extend(ind2[np.diff(ind2) &gt; 1].tolist())
IndexError: boolean index did not match indexed array along dimension 0; dimension is 1935 but corresponding boolean dimension is 1934
</f41><f46>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/doctest.py", line 2190, in runTest
    raise self.failureException(self.format_failure(new.getvalue()))
AssertionError: Failed doctest test for obspy.signal.rotate.rotate2ZNE
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/rotate.py", line 189, in rotate2ZNE

----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/rotate.py", line 216, in obspy.signal.rotate.rotate2ZNE
Failed example:
    rotate2ZNE(np.arange(3), 0, -90, np.arange(3) * 2, 0, 0,             np.arange(3) * 3, 90, 0) # doctest: +NORMALIZE_WHITESPACE
Expected:
    (array([ 0., 1., 2.]), array([ 0., 2., 4.]), array([ 0., 3., 6.]))
Got:
    (array([0., 1., 2.]), array([0., 2., 4.]), array([0., 3., 6.]))
----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/rotate.py", line 219, in obspy.signal.rotate.rotate2ZNE
Failed example:
    rotate2ZNE(np.arange(3), 0, -90, np.arange(3) * 2, 180, 0,             np.arange(3) * 3, 90, 0) # doctest: +NORMALIZE_WHITESPACE
Expected:
    (array([ 0., 1., 2.]), array([ 0., -2., -4.]), array([ 0., 3., 6.]))
Got:
    (array([0., 1., 2.]), array([ 0., -2., -4.]), array([0., 3., 6.]))
----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/rotate.py", line 222, in obspy.signal.rotate.rotate2ZNE
Failed example:
    rotate2ZNE(np.arange(3), 0, 0, np.arange(3) * 2, 90, 0,             np.arange(3) * 3, 0, -90) # doctest: +NORMALIZE_WHITESPACE
Expected:
    (array([ 0., 3., 6.]), array([ 0., 1., 2.]), array([ 0., 2., 4.]))
Got:
    (array([0., 3., 6.]), array([0., 1., 2.]), array([0., 2., 4.]))

</f46><f45>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/doctest.py", line 2190, in runTest
    raise self.failureException(self.format_failure(new.getvalue()))
AssertionError: Failed doctest test for obspy.signal.rotate._dip_azimuth2ZSE_base_vector
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/rotate.py", line 132, in _dip_azimuth2ZSE_base_vector

----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/rotate.py", line 143, in obspy.signal.rotate._dip_azimuth2ZSE_base_vector
Failed example:
    r(_dip_azimuth2ZSE_base_vector(-90, 0)) #doctest: +NORMALIZE_WHITESPACE
Expected:
    array([ 1., 0., 0.])
Got:
    array([1., 0., 0.])
----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/rotate.py", line 149, in obspy.signal.rotate._dip_azimuth2ZSE_base_vector
Failed example:
    r(_dip_azimuth2ZSE_base_vector(0, 180)) #doctest: +NORMALIZE_WHITESPACE
Expected:
    array([ 0., 1., 0.])
Got:
    array([0., 1., 0.])
----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/signal/rotate.py", line 151, in obspy.signal.rotate._dip_azimuth2ZSE_base_vector
Failed example:
    r(_dip_azimuth2ZSE_base_vector(0, 90)) #doctest: +NORMALIZE_WHITESPACE
Expected:
    array([ 0., 0., 1.])
Got:
    array([0., 0., 1.])

</f45></errors><tested>True</tested><failures /><timetaken>21.208488702774048</timetaken><skipped>0</skipped></signal><sac><tests>68</tests><installed>0.9.2-1432-g5317e</installed><errors><f38>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/doctest.py", line 2190, in runTest
    raise self.failureException(self.format_failure(new.getvalue()))
AssertionError: Failed doctest test for obspy.sac.__init__
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/sac/__init__.py", line 1, in __init__

----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/sac/__init__.py", line 53, in obspy.sac.__init__
Failed example:
    st[0].data #doctest: +ELLIPSIS +NORMALIZE_WHITESPACE
Expected:
    array([ -8.74227766e-08,  -3.09016973e-01,..., 3.09007347e-01], dtype=float32)
Got:
    array([-8.74227766e-08, -3.09016973e-01, -5.87785363e-01, -8.09017122e-01,
           -9.51056600e-01, -1.00000000e+00, -9.51056302e-01, -8.09016585e-01,
           -5.87784529e-01, -3.09016049e-01,  1.12851990e-06,  3.09018195e-01,
            5.87786376e-01,  8.09017897e-01,  9.51057017e-01,  1.00000000e+00,
            9.51056063e-01,  8.09016109e-01,  5.87783873e-01,  3.09015274e-01,
           -1.93119831e-06, -3.09018940e-01, -5.87787032e-01, -8.09018373e-01,
           -9.51057255e-01, -1.00000000e+00, -9.51055706e-01, -8.09015334e-01,
           -5.87782860e-01, -3.09014052e-01,  3.21071411e-06,  3.09020162e-01,
            5.87788045e-01,  8.09019089e-01,  9.51057673e-01,  1.00000000e+00,
            9.51055288e-01,  8.09014559e-01,  5.87781847e-01,  3.09012860e-01,
           -4.49022991e-06, -3.09021384e-01, -5.87789118e-01, -8.09019864e-01,
           -9.51058090e-01, -1.00000000e+00, -9.51054871e-01, -8.09013844e-01,
           -5.87780774e-01, -3.09011638e-01,  5.76974526e-06,  3.09022605e-01,
            5.87790132e-01,  8.09020638e-01,  9.51058447e-01,  1.00000000e+00,
            9.51054513e-01,  8.09013069e-01,  5.87779760e-01,  3.09010416e-01,
           -7.04926106e-06, -3.09023827e-01, -5.87791145e-01, -8.09021354e-01,
           -9.51058865e-01, -1.00000000e+00, -9.51054096e-01, -8.09012353e-01,
           -5.87778747e-01, -3.09009194e-01,  8.32877686e-06,  3.09025049e-01,
            5.87792218e-01,  8.09022129e-01,  9.51059222e-01,  1.00000000e+00,
            9.51053679e-01,  8.09011579e-01,  5.87777674e-01,  3.09007972e-01,
           -9.60829220e-06, -3.09026241e-01, -5.87793231e-01, -8.09022844e-01,
           -9.51059639e-01, -1.00000000e+00, -9.51053321e-01, -8.09010804e-01,
           -5.87776661e-01, -3.09006751e-01,  1.08878085e-05,  3.09027463e-01,
            5.87792754e-01,  8.09022486e-01,  9.51059461e-01,  1.00000000e+00,
            9.51053500e-01,  8.09011161e-01,  5.87777138e-01,  3.09007347e-01],
          dtype=float32)

</f38></errors><tested>True</tested><failures /><timetaken>0.46700620651245117</timetaken><skipped>0</skipped></sac><xseed><tests>43</tests><installed>0.9.2-1432-g5317e</installed><errors><f59>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/xseed/tests/test_fields.py", line 86, in test_readCompactDateTime
    self.assertEqual(field.write(dt), orig)
AssertionError: b'1992,002,00~' != b'1992,002~'
</f59><f55>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/xseed/tests/test_parser.py", line 165, in test_blocketteStartsAfterRecord
    self.assertEqual(b010, blockette.getSEED())
AssertionError: b'0100042 2.4082008,001~2038,001~2009,001~~~' != b'0100051 2.4082008,001,00~2038,001,00~2009,001,00~~~'
</f55><f53>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/xseed/tests/test_utils.py", line 42, in test_DateTime2String
    self.assertEqual(DateTime2String(dt), "2008,358")
AssertionError: '2008,358,00:00:00.0000' != '2008,358'
- 2008,358,00:00:00.0000
+ 2008,358

</f53><f60>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/xseed/tests/test_fields.py", line 27, in test_readDateTime
    self.assertEqual(field.write(dt), b'1992,002~')
AssertionError: b'1992,002,00:00:00.0000~' != b'1992,002~'
</f60><f56>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/xseed/tests/test_parser.py", line 55, in test_issue165
    self.assertEqual(len(w), 1)
AssertionError: 2 != 1
</f56><f54>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/xseed/tests/test_utils.py", line 55, in test_DateTime2StringCompact
    self.assertEqual(DateTime2String(dt, True), "2008,358")
AssertionError: '2008,358,00' != '2008,358'
- 2008,358,00
?         ---
+ 2008,358

</f54><f57>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/xseed/tests/test_parser.py", line 566, in test_missingRequiredDateTimes
    self.assertEqual(b010, blockette.getSEED())
AssertionError: b'0100034 2.408~2038,001~2009,001~~~' != b'0100062 2.408~2038,001,00:00:00.0000~2009,001,00:00:00.0000~~~'
</f57><f58>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/xseed/tests/test_parser.py", line 186, in test_multipleContinuedStationControlHeader
    self.assertEqual(b010, blockette.getSEED())
AssertionError: b'0100042 2.4082008,001~2038,001~2009,001~~~' != b'0100051 2.4082008,001,00~2038,001,00~2009,001,00~~~'
</f58></errors><tested>True</tested><failures /><timetaken>0.8495233058929443</timetaken><skipped>0</skipped></xseed><arclink /><ndk><tests>20</tests><installed>0.9.2-1432-g5317e</installed><errors><f36>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/ndk/tests/test_ndk.py", line 178, in test_reading_the_same_file_twice_does_not_raise_a_warnings
    self.assertEqual(len(w), 0)
AssertionError: 3 != 0
</f36><f34>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/ndk/tests/test_ndk.py", line 284, in test_missing_lines
    self.assertEqual(len(w), 1)
AssertionError: 4 != 1
</f34><f35>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/ndk/tests/test_ndk.py", line 222, in test_reading_file_with_multiple_errors
    self.assertEqual(len(w), 6)
AssertionError: 9 != 6
</f35></errors><tested>True</tested><failures /><timetaken>3.155322551727295</timetaken><skipped>0</skipped></ndk><seisan><tests>7</tests><installed>0.9.2-1432-g5317e</installed><errors><f39>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/doctest.py", line 2190, in runTest
    raise self.failureException(self.format_failure(new.getvalue()))
AssertionError: Failed doctest test for obspy.seisan.__init__
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/seisan/__init__.py", line 1, in __init__

----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/seisan/__init__.py", line 52, in obspy.seisan.__init__
Failed example:
    print(st[0].data)
Expected:
    [  492   519   542 ..., -6960 -6858 24000]
Got:
    [  492   519   542 ... -6960 -6858 24000]

</f39></errors><tested>True</tested><failures /><timetaken>0.036040544509887695</timetaken><skipped>0</skipped></seisan><css><tests>4</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.4253981113433838</timetaken><skipped>0</skipped></css><y><tests>4</tests><installed>0.9.2-1432-g5317e</installed><errors /><tested>True</tested><failures /><timetaken>0.02466583251953125</timetaken><skipped>0</skipped></y><sh><tests>17</tests><installed>0.9.2-1432-g5317e</installed><errors><f40>Traceback (most recent call last):
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/doctest.py", line 2190, in runTest
    raise self.failureException(self.format_failure(new.getvalue()))
AssertionError: Failed doctest test for obspy.sh.__init__
  File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/sh/__init__.py", line 0, in __init__

----------------------------------------------------------------------
File "/home/circleci/.pyenv/versions/3.5.10/lib/python3.5/site-packages/obspy/sh/__init__.py", line 55, in obspy.sh.__init__
Failed example:
    st[0].data #doctest: +ELLIPSIS +NORMALIZE_WHITESPACE
Expected:
    array([ 0.00000000e+00,   0.00000000e+00,   0.00000000e+00, ...
           -4.03387604e+01,  -3.99515305e+01,  -3.95423012e+01], dtype=float32)
Got:
    array([ 0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
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            0.000000e+00,  0.000000e+00,  0.000000e+00,  0.000000e+00,
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            1.313408e+02,  1.632039e+02,  1.946445e+02,  2.256463e+02,
            2.561938e+02,  2.862716e+02,  3.158649e+02,  3.449595e+02,
            3.735416e+02,  4.015977e+02,  4.291148e+02,  4.560807e+02,
            4.824833e+02,  5.083111e+02,  5.335532e+02,  5.581991e+02,
            5.822387e+02,  6.056627e+02,  6.284618e+02,  6.506277e+02,
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            9.599384e+02,  9.670044e+02,  9.733748e+02,  9.790523e+02,
            9.840402e+02,  9.883419e+02,  9.919617e+02,  9.949040e+02,
            9.971735e+02,  9.987755e+02,  9.997157e+02,  1.000000e+03,
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           -4.734773e+02, -4.674849e+02, -4.612498e+02, -4.547784e+02,
           -4.480773e+02, -4.411532e+02, -4.340126e+02, -4.266623e+02,
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