René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: Type annotation for `add_subplots` has incorrect return type for `projection=\"3d\"`","articleBody":"### Bug summary\n\nThe return type for `add_subplots` with `projection=\"3d\"` should be `Axes3D`.\r\n\r\nThe current implementation is:\r\n\r\n```python\r\n    @overload\r\n    def add_subplot(\r\n        self, nrows: int, ncols: int, index: int | tuple[int, int], **kwargs\r\n    ) -\u003e Axes: ...\r\n    @overload\r\n    def add_subplot(self, pos: int, **kwargs) -\u003e Axes: ...\r\n    @overload\r\n    def add_subplot(self, ax: Axes, **kwargs) -\u003e Axes: ...\r\n    @overload\r\n    def add_subplot(self, ax: SubplotSpec, **kwargs) -\u003e Axes: ...\r\n    @overload\r\n    def add_subplot(self, **kwargs) -\u003e Axes: ...\r\n    @overload\r\n    def subplots(\r\n```\n\n### Code for reproduction\n\n```Python\nimport matplotlib.pyplot as plt\r\nfrom mpl_toolkits.mplot3d.axes3d import Axes3D\r\nax: Axes3D = plt.figure().add_subplot(projection=\"3d\")\n```\n\n\n### Actual outcome\n\nPyright complains:\r\n\r\n```\r\nerror: Type \"Axes\" is not assignable to declared type \"Axes3D\"\r\n    \"Axes\" is not assignable to \"Axes3D\" (reportAssignmentType)\r\n```\n\n### Expected outcome\n\nNo error.\n\n### Additional information\n\n_No response_\n\n### Operating system\n\n_No response_\n\n### Matplotlib Version\n\n3.10.0\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/stefanv","@type":"Person","name":"stefanv"},"datePublished":"2024-12-17T08:44:13.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/29334/matplotlib/issues/29334"}