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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"3.4.2: pytest fails","articleBody":"I'm trying to build rpm package with matplotlib module.\r\nsetuptools build and install are ok but pytest is failing for me.\r\nMay I ask for poin on what I'm doing wrong?\r\n```console\r\n+ PATH=/home/tkloczko/rpmbuild/BUILDROOT/python-matplotlib-3.4.2-2.fc35.x86_64/usr/bin:/usr/bin:/usr/sbin:/usr/local/sbin\r\n+ PYTHONPATH=/home/tkloczko/rpmbuild/BUILDROOT/python-matplotlib-3.4.2-2.fc35.x86_64/usr/lib64/python3.8/site-packages:/home/tkloczko/rpmbuild/BUILDROOT/python-matplotlib-3.4.2-2.fc35.x86_64/usr/lib/python3.8/site-packages\r\n+ /usr/bin/python3 -Bm pytest -ra\r\n=========================================================================== test session starts ============================================================================\r\nplatform linux -- Python 3.8.9, pytest-6.2.4, py-1.10.0, pluggy-0.13.1\r\nrootdir: /home/tkloczko/rpmbuild/BUILD/matplotlib-3.4.2, configfile: pytest.ini, testpaths: lib\r\nplugins: forked-1.3.0, shutil-1.7.0, virtualenv-1.7.0, expect-1.1.0, cov-2.11.1, httpbin-1.0.0, xdist-2.2.1, flake8-1.0.7, timeout-1.4.2, betamax-0.8.1, pyfakefs-4.4.0, freezegun-0.4.2, cases-3.4.6, case-1.5.3, isort-1.3.0, aspectlib-1.5.2, asyncio-0.15.1, toolbox-0.5, xprocess-0.17.1, flaky-3.7.0, requests-mock-1.9.2, aiohttp-0.3.0, checkdocs-2.7.0, mock-3.6.1, hypothesis-6.13.5, rerunfailures-9.1.1\r\ncollected 0 items / 1 error\r\n\r\n================================================================================== ERRORS ==================================================================================\r\n______________________________________________________________________ ERROR collecting test session _______________________________________________________________________\r\n/usr/lib64/python3.8/importlib/__init__.py:127: in import_module\r\n    return _bootstrap._gcd_import(name[level:], package, level)\r\n\u003cfrozen importlib._bootstrap\u003e:1014: in _gcd_import\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:991: in _find_and_load\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:961: in _find_and_load_unlocked\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:219: in _call_with_frames_removed\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:1014: in _gcd_import\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:991: in _find_and_load\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:961: in _find_and_load_unlocked\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:219: in _call_with_frames_removed\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:1014: in _gcd_import\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:991: in _find_and_load\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:975: in _find_and_load_unlocked\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:671: in _load_unlocked\r\n    ???\r\n\u003cfrozen importlib._bootstrap_external\u003e:783: in exec_module\r\n    ???\r\n\u003cfrozen importlib._bootstrap\u003e:219: in _call_with_frames_removed\r\n    ???\r\nlib/matplotlib/__init__.py:107: in \u003cmodule\u003e\r\n    from . import _api, cbook, docstring, rcsetup\r\nlib/matplotlib/cbook/__init__.py:31: in \u003cmodule\u003e\r\n    from matplotlib import _api, _c_internal_utils\r\nE   ImportError: cannot import name '_c_internal_utils' from partially initialized module 'matplotlib' (most likely due to a circular import) (/home/tkloczko/rpmbuild/BUILD/matplotlib-3.4.2/lib/matplotlib/__init__.py)\r\n========================================================================= short test summary info ==========================================================================\r\nERROR  - ImportError: cannot import name '_c_internal_utils' from partially initialized module 'matplotlib' (most likely due to a circular import) (/home/tkloczko/rpmbui...\r\n!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\r\n============================================================================= 1 error in 0.41s =============================================================================\r\n```\r\n","author":{"url":"https://github.com/kloczek","@type":"Person","name":"kloczek"},"datePublished":"2021-05-26T18:06:49.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":13},"url":"https://github.com/20312/matplotlib/issues/20312"}