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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"PyFunction_GetAnnotations is probably causing ref leaks","articleBody":"In issue #30409 `PyFunction_GetAnnotations` was fixed so it wouldn't return a tuple.  That's good.\r\n\r\nBut this change changed the return value.  `PyFunction_GetAnnotations` now returns a *new* reference to the annotations dict.  But according to the documentation, it should return a *borrowed* reference.\r\n\r\n    https://docs.python.org/3/c-api/function.html#c.PyFunction_GetAnnotations\r\n\r\nIf users only read the documentation, and assume that it's correct, they'll leak a reference to the annotation dict.\r\n\r\nWe could fix this by changing the documentation.  However, all the other `PyFunction_Get*` functions *also* return borrowed references.  So I think the correct fix is to remove the incref.","author":{"url":"https://github.com/larryhastings","@type":"Person","name":"larryhastings"},"datePublished":"2022-10-05T23:12:46.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/97943/cpython/issues/97943"}