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Source commit: python/typeshed@ef2b90c
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: #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: strawberry (https://github.com/strawberry-graphql/strawberry)
+ strawberry/types/scalar.py:93: error: Unused "type: ignore" comment [unused-ignore]
sphinx (https://github.com/sphinx-doc/sphinx)
+ sphinx/util/typing.py:315: error: Unused "type: ignore" comment [unused-ignore]
discord.py (https://github.com/Rapptz/discord.py)
- ...venv/lib/python3.13/site-packages/mypy/typeshed/stdlib/typing.pyi:1036: note: "update" of "TypedDict" defined here
+ ...venv/lib/python3.13/site-packages/mypy/typeshed/stdlib/typing.pyi:1041: note: "update" of "TypedDict" defined here
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Sync typeshed
Source commit:
python/typeshed@ef2b90c
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