Sync typeshed #16598
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Sync typeshed #16598
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Source commit: python/typeshed@5f12eeb
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)
Since the plugin provides superior type checking: python#13987 (comment) A manual cherry-pick of e437cdf.
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According to mypy_primer, this change doesn't affect type check results on a corpus of open source code. ✅ |
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The automated workflow failed last night: https://github.com/python/mypy/actions/runs/7053767546
The reason for the merge conflict was python/typeshed@10febc4
Source commit: python/typeshed@5f12eeb