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Spec: Mandate support for typing-extensions

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#1,532 7 comments 2 reactions 1 assignee View on GitHub

@JelleZijlstra is already working on this.

Since Dec 11, 2023.

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Description

topic: documentation topic: typing spec

The typing spec should mandate that type checkers support the typing_extensions module by treating any name imported from it as equivalent to the same name in typing.

This is noncontroversial (I hope!), but it's still a substantive change to the spec, so it should go through the procedure in https://github.com/python/typing-council?tab=readme-ov-file#decisions. I'll likely do that in January.

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