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gh-145521: Add 'infer_variance' parameter to ParamSpec class#145522
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hyperkai wants to merge 1 commit intopython:mainfrom
Open
gh-145521: Add 'infer_variance' parameter to ParamSpec class#145522hyperkai wants to merge 1 commit intopython:mainfrom
hyperkai wants to merge 1 commit intopython:mainfrom
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AlexWaygood approved these changesMar 5, 2026
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inventshah commentedMar 5, 2026
Should we add some text about the version this changed (e.g. 3.12)? |
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AlexWaygood commentedMar 5, 2026
We can do. But we shouldn't devote too much space to this, because ParamSpecs are always invariant. It's a bit confusing that they have this parameter; type checkers will just ignore it. |
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awaiting mergedocsDocumentation in the Doc dir needs backport to 3.13bugs and security fixes needs backport to 3.14bugs and security fixes skip news
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Fix:#145521
📚 Documentation preview 📚:https://cpython-previews--145522.org.readthedocs.build/
infer_varianceparameter withtyping.ParamSpecexplanation #145521