René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: type annotation of `Axes.get_legend()` misses `None`","articleBody":"### Bug summary\n\nImplementation:\nhttps://github.com/matplotlib/matplotlib/blob/b766c96c36bed6bdea83c61d272d12fb19ac3126/lib/matplotlib/axes/_base.py#L2226-L2228\n\nType hints:\nhttps://github.com/matplotlib/matplotlib/blob/b766c96c36bed6bdea83c61d272d12fb19ac3126/lib/matplotlib/axes/_base.pyi#L228\n\nProposed change:\n```diff\n- def get_legend(self) -\u003e Legend: ...\n+ def get_legend(self) -\u003e Legend | None: ...\n```\n\n### Code for reproduction\n\n```Python\nn/a\n```\n\n### Actual outcome\n\ntype checkers warn of unnecessary `is None` checks.\n\n### Expected outcome\n\ntype checkers should not warn of unnecessary `is None` checks.\n\n### Additional information\n\n_No response_\n\n### Operating system\n\n_No response_\n\n### Matplotlib Version\n\n3.10.3\n\n### Matplotlib Backend\n\n_No response_\n\n### Python version\n\n_No response_\n\n### Jupyter version\n\n_No response_\n\n### Installation\n\nNone","author":{"url":"https://github.com/bersbersbers","@type":"Person","name":"bersbersbers"},"datePublished":"2025-07-16T06:36:27.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":9},"url":"https://github.com/30318/matplotlib/issues/30318"}