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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`types.GenericAlias` has extra `__copy__` and `__deepcopy__` in `__dir__`","articleBody":"Repro:\n\n```python\n\u003e\u003e\u003e type A[X] = list[X]\n\u003e\u003e\u003e dir(A[int])\n[..., '__copy__', '__deepcopy__', ...]\n```\n\nWe can access all other attributes, but not `__copy__` and `__deepcopy__`:\n\n```pytb\n\u003e\u003e\u003e A[int].__copy__\nTraceback (most recent call last):\n  File \"\u003cstdin\u003e\", line 1, in \u003cmodule\u003e\nAttributeError: 'types.GenericAlias' object has no attribute '__copy__'. Did you mean: '__doc__'?\n\n\u003e\u003e\u003e A[int].__deepcopy__\nTraceback (most recent call last):\n  File \"\u003cstdin\u003e\", line 1, in \u003cmodule\u003e\nAttributeError: 'types.GenericAlias' object has no attribute '__deepcopy__'\n```\n\nI am not quite sure what is the right thing to do here 🤔 \n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-138578\n* gh-138629\n* gh-138640\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/sobolevn","@type":"Person","name":"sobolevn"},"datePublished":"2023-06-08T05:32:14.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/105487/cpython/issues/105487"}