Sync typeshed #17833
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Sync typeshed #17833
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Source commit: python/typeshed@a94c927
This is allegedly causing large performance problems, see 13821 typeshed/8231 had zero hits on mypy_primer, so it's not the worst thing to undo. Patching this in typeshed also feels weird, since there's a more general soundness issue. If a typevar has a bound or constraint, we might not want to solve it to a Literal. If we can confirm the performance regression or fix the unsoundness within mypy, I might pursue upstreaming this in typeshed. (Reminder: add this to the sync_typeshed script once merged)
… checking: python#13987 (comment) A manual cherry-pick of e437cdf.
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Diff from mypy_primer, showing the effect of this PR on open source code: core (https://github.com/home-assistant/core)
- homeassistant/components/knx/config_flow.py:198: error: Argument 1 to "anext" has incompatible type "AsyncGenerator[Any, None] | None"; expected "_SupportsSynchronousAnext[Awaitable[Any]]" [arg-type]
+ homeassistant/components/knx/config_flow.py:198: error: Argument 1 to "anext" has incompatible type "AsyncGenerator[Any, None] | None"; expected "_SupportsSynchronousAnext[Coroutine[Any, Any, Any]]" [arg-type]
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JukkaL
approved these changes
Sep 26, 2024
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Source commit:
python/typeshed@a94c927