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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Bad error message when inheriting from Generic multiple times","articleBody":"```\r\n\u003e\u003e\u003e from typing import Generic, TypeVar\r\n\u003e\u003e\u003e T = TypeVar(\"T\")\r\n\u003e\u003e\u003e U = TypeVar(\"U\")\r\n\u003e\u003e\u003e class X(Generic[T], Generic[U]): pass\r\n... \r\nTraceback (most recent call last):\r\n  File \"\u003cstdin\u003e\", line 1, in \u003cmodule\u003e\r\n  File \"/Users/jelle/py/cpython/Lib/typing.py\", line 1088, in _generic_init_subclass\r\n    raise TypeError(\r\nTypeError: Cannot inherit from Generic[...] multiple types.\r\n```\r\n\r\nShould say \"multiple times\".\r\n\r\nNoticed by @carljm in https://github.com/python/cpython/pull/103764#discussion_r1187992790.\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-104335\n* gh-104338\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/JelleZijlstra","@type":"Person","name":"JelleZijlstra"},"datePublished":"2023-05-09T14:51:39.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/104328/cpython/issues/104328"}