Merge pull request matplotlib#23130 from QuLogic/fix-nightly-again

Drop pytest warning config in nightly tests

Author: timhoffm

.github/workflows/tests.yml

@@ -221,15 +221,6 @@ jobs:
         run: |
           python -m pip install -i https://pypi.anaconda.org/scipy-wheels-nightly/simple --upgrade numpy pandas
 
-          # Turn all warnings to errors, except ignore the distutils deprecations and the find_spec warning
-          cat >> pytest.ini << EOF
-          [pytest]
-          filterwarnings =
-              error
-              ignore:.*distutils:DeprecationWarning
-              ignore:DynamicImporter.find_spec\(\) not found; falling back to find_module\(\):ImportWarning
-          EOF
-
       - name: Install Matplotlib
         run: |
           ccache -s

pytest.ini

@@ -0,0 +1,7 @@
+[pytest]
+# NOTE: Because tests can be run from an installed copy, most of our Pytest
+# configuration is in the `pytest_configure` function in
+# `lib/matplotlib/testing/conftest.py`. This configuration file exists only to
+# prevent Pytest from wasting time trying to check examples and documentation
+# files that are not really tests.
+testpaths = lib