gistfile1.txt

Traceback (most recent call last):
  File "<input>", line 1, in <module>
  File "/Applications/PyCharm with Anaconda plugin .app/Contents/plugins/python/helpers/pydev/_pydev_bundle/pydev_umd.py", line 197, in runfile
    pydev_imports.execfile(filename, global_vars, local_vars)  # execute the script
  File "/Applications/PyCharm with Anaconda plugin .app/Contents/plugins/python/helpers/pydev/_pydev_imps/_pydev_execfile.py", line 18, in execfile
    exec(compile(contents+"\n", file, 'exec'), glob, loc)
  File "/Users/john/PycharmProjects/mne-test/mne-test.py", line 16, in <module>
    ica.plot_properties(raw, picks=ica.exclude)
  File "/Users/john/PycharmProjects/mne-test/venv/lib/python3.7/site-packages/mne/preprocessing/ica.py", line 1633, in plot_properties
    figsize=figsize, show=show, reject=reject)
  File "/Users/john/PycharmProjects/mne-test/venv/lib/python3.7/site-packages/mne/viz/ica.py", line 472, in plot_ica_properties
    plt_show(show)
  File "/Users/john/PycharmProjects/mne-test/venv/lib/python3.7/site-packages/mne/viz/utils.py", line 110, in plt_show
    (fig or plt).show(**kwargs)
  File "/Users/john/PycharmProjects/mne-test/venv/lib/python3.7/site-packages/matplotlib/pyplot.py", line 272, in show
    return _show(*args, **kw)
  File "/Applications/PyCharm with Anaconda plugin .app/Contents/plugins/python/helpers/pycharm_matplotlib_backend/backend_interagg.py", line 27, in __call__
    manager.show(**kwargs)
  File "/Applications/PyCharm with Anaconda plugin .app/Contents/plugins/python/helpers/pycharm_matplotlib_backend/backend_interagg.py", line 99, in show
    self.canvas.show()
  File "/Applications/PyCharm with Anaconda plugin .app/Contents/plugins/python/helpers/pycharm_matplotlib_backend/backend_interagg.py", line 64, in show
    self.figure.tight_layout()
  File "/Users/john/PycharmProjects/mne-test/venv/lib/python3.7/site-packages/matplotlib/cbook/deprecation.py", line 358, in wrapper
    return func(*args, **kwargs)
  File "/Users/john/PycharmProjects/mne-test/venv/lib/python3.7/site-packages/matplotlib/figure.py", line 2482, in tight_layout
    subplotspec_list = get_subplotspec_list(self.axes)
  File "/Users/john/PycharmProjects/mne-test/venv/lib/python3.7/site-packages/matplotlib/tight_layout.py", line 249, in get_subplotspec_list
    subplotspec = subplotspec.get_topmost_subplotspec()
AttributeError: 'NoneType' object has no attribute 'get_topmost_subplotspec'

mwe.py

import os
import numpy as np
import mne

# Found these suggested settings, but they don't seem to matter.
#os.environ['ETS_TOOLKIT'] = 'qt4'
#os.environ['QT_API'] = 'pyqt5'

sample_data_folder = mne.datasets.sample.data_path()
sample_data_raw_file = os.path.join(sample_data_folder, 'MEG', 'sample',
                                    'sample_audvis_filt-0-40_raw.fif')
raw = mne.io.read_raw_fif(sample_data_raw_file)

ica = mne.preprocessing.ICA(n_components=20, random_state=97, max_iter=800)
ica.fit(raw)
ica.exclude = [1, 2]
ica.plot_properties(raw, picks=ica.exclude)