dust-1795 7 % python
Python 3.10.2 (main, Jan 15 2022, 11:31:35) [Clang 13.0.0 (clang-1300.0.29.3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import matplotlib
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/matplotlib/__init__.py", line 109, in <module>
    from . import _api, _version, cbook, docstring, rcsetup
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/matplotlib/cbook/__init__.py", line 31, in <module>
    from matplotlib import _api, _c_internal_utils
ImportError: cannot import name '_c_internal_utils' from partially initialized module 'matplotlib' (most likely due to a circular import) (/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/matplotlib/__init__.py)
>>> exit()

dust-1795 8 % ls /opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/mat*
/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/matplotlib_inline:
total 24
 0 ./                  0 __init__.py        16 backend_inline.py
 0 ../                 0 __pycache__/        8 config.py

/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/matplotlib_inline-0.1.3-py3.10.egg-info:
total 16
0 ./                    8 SOURCES.txt           0 top_level.txt
0 ../                   0 dependency_links.txt
8 PKG-INFO              0 requires.txt

dust-1795 9 % ls /opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/mat*
8 /opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/matplotlib-3.5.1-py3.9-nspkg.pth

/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/matplotlib:
total 9912
   0 ./
   0 ../
 104 __init__.py
   0 __pycache__/
  16 _animation_data.py
   0 _api/
   8 _blocking_input.py
  72 _c_internal_utils.cpython-39-darwin.so*
 136 _cm.py
 216 _cm_listed.py
  72 _color_data.py
  56 _constrained_layout.py
 160 _contour.cpython-39-darwin.so*
  16 _enums.py
 384 _image.cpython-39-darwin.so*
   8 _internal_utils.py
  48 _layoutgrid.py
 208 _mathtext.py
 112 _mathtext_data.py
 344 _path.cpython-39-darwin.so*
  16 _pylab_helpers.py
 992 _qhull.cpython-39-darwin.so*
   8 _text_helpers.py
 208 _tri.cpython-39-darwin.so*
 120 _ttconv.cpython-39-darwin.so*
   8 _version.py
  40 afm.py
 136 animation.py
 120 artist.py
   0 axes/
 184 axis.py
 256 backend_bases.py
  32 backend_managers.py
  64 backend_tools.py
   0 backends/
  40 bezier.py
  24 blocking_input.py
  16 category.py
   0 cbook/
  48 cm.py
 168 collections.py
 120 colorbar.py
 176 colors.py
  16 container.py
 144 contour.py
 136 dates.py
   8 docstring.py
  80 dviread.py
 240 figure.py
 104 font_manager.py
  16 fontconfig_pattern.py
1592 ft2font.cpython-39-darwin.so*
  56 gridspec.py
  16 hatch.py
 144 image.py
  96 legend.py
  64 legend_handler.py
 104 lines.py
  64 markers.py
  40 mathtext.py
  64 mlab.py
   0 mpl-data/
 112 offsetbox.py
 320 patches.py
  80 path.py
  40 patheffects.py
   0 projections/
   8 pylab.py
 208 pyplot.py
  96 quiver.py
  96 rcsetup.py
  72 sankey.py
  48 scale.py
   0 sphinxext/
  48 spines.py
  16 stackplot.py
  48 streamplot.py
   0 style/
  56 table.py
   0 testing/
   0 tests/
  32 texmanager.py
 136 text.py
  32 textpath.py
 200 ticker.py
   8 tight_bbox.py
  32 tight_layout.py
 200 transforms.py
   0 tri/
  32 type1font.py
  16 units.py
 256 widgets.py

/opt/local/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/matplotlib-3.5.1.dist-info:
total 320
  0 ./                                  8 LICENSE_QT4_EDITOR
  0 ../                                 8 LICENSE_SOLARIZED
  8 INSTALLER                           8 LICENSE_STIX
 16 LICENSE                             8 LICENSE_YORICK
 32 LICENSE_AMSFONTS                   16 METADATA
  8 LICENSE_BAKOMA                    136 RECORD
 16 LICENSE_CARLOGO                     8 WHEEL
  8 LICENSE_COLORBREWER                 8 namespace_packages.txt
 16 LICENSE_JSXTOOLS_RESIZE_OBSERVER    8 top_level.txt
  8 LICENSE_QHULL
dust-1795 10 %