Fix errors for raise NotImplemented #20168
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JelleZijlstra
approved these changes
Nov 3, 2025
sterliakov
approved these changes
Nov 3, 2025
| if isinstance(typ, Instance) and typ.type.fullname == "builtins._NotImplementedType": | ||
| if ( | ||
| isinstance(typ, Instance) | ||
| and typ.type.fullname in {"builtins._NotImplementedType", "types.NotImplementedType"} |
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Let's move this set to types.py where other similar "dual" sources live?
| from types import NotImplementedType | ||
| NotImplemented: NotImplementedType | ||
| else: | ||
| class _NotImplementedType(Any): ... |
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Cross-link to #20114 - if we get there, this Any should also be removed
|
According to mypy_primer, this change doesn't affect type check results on a corpus of open source code. ✅ |
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See also discussion on python/typeshed#14966