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Description
Bug report
Bug summary
There used to be one CI run with python -OO (== PYTHONOPTIMIZE=2), but it was accidentally removed in #10217 (it was set via PYTHON_ARGS).
Now there is at least one test are failing in this setup, namely
$ PYTHONOPTIMIZE=2 pytest lib/matplotlib/tests/test_legend.py -k kwdocstring
<elided>
lib/matplotlib/tests/test_legend.py F [100%]
___________________________________ test_legend_kwdocstrings ___________________________________
def test_legend_kwdocstrings():
> stax = get_docstring_section(mpl.axes.Axes.legend, 'Parameters')
lib/matplotlib/tests/test_legend.py:44:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
func = <function Axes.legend at 0x7fc35f690158>, section = 'Parameters'
def get_docstring_section(func, section):
""" extract a section from the docstring of a function """
ll = inspect.getdoc(func)
> lines = ll.splitlines()
E AttributeError: 'NoneType' object has no attribute 'splitlines'
lib/matplotlib/tests/test_legend.py:27: AttributeError
===================================== 57 tests deselected ======================================
=========================== 1 failed, 57 deselected in 0.35 seconds ============================
Code for reproduction
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Expected outcome
Matplotlib version
- Operating system:
- Matplotlib version:
- Matplotlib backend (
print(matplotlib.get_backend())): - Python version:
- Jupyter version (if applicable):
- Other libraries: