8000 bpo-44524: Don't modify MRO when inheriting from typing.Annotated by Fidget-Spinner · Pull Request #27841 · python/cpython · GitHub
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bpo-44524: Don't modify MRO when inheriting from typing.Annotated #27841

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Merged
merged 5 commits into from
Aug 25, 2021
Merged

bpo-44524: Don't modify MRO when inheriting from typing.Annotated #27841

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ce19238
exclude Annotated from _name temporarily
Fidget-Spinner Aug 19, 2021
a943fce
stricter tests
Fidget-Spinner Aug 19, 2021
f26b866
Merge remote-tracking branch 'upstream/main' into name_annotated
Fidget-Spinner Aug 21, 2021
1cebc04
fix tests, remove news
Fidget-Spinner Aug 21, 2021
ba279d2
__name__ for Annotated is 'Annotated'
Fidget-Spinner Aug 21, 2021
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fix tests, remove news
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@Fidget-Spinner
Fidget-Spinner committed Aug 21, 2021
commit 1cebc041251cf9dbd085d9cde5689152c5e022e1
4 changes: 2 additions & 2 deletions Lib/test/test_typing.py
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Expand Up @@ -4913,8 +4913,8 @@ def test_special_attrs(self):
typing.TypeVar: 'TypeVar',
typing.Union: 'Union',
# Subscribed special forms
# Fixme: make Annotated work without messing up its MRO
# typing.Annotated[Any, "Annotation"]: 'Annotated',
# Annotated is special - it returns the contained type
typing.Annotated[Any, "Annotation"]: 'Any',
typing.ClassVar[Any]: 'ClassVar',
typing.Concatenate[Any, SpecialAttrsP]: 'Concatenate',
typing.Final[Any]: 'Final',
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2 changes: 0 additions & 2 deletions Misc/NEWS.d/next/Library/2021-08-20-01-46-29.bpo-44524.TbOZD8.rst
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