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bpo-44654: Refactor and clean up the union type implementation (GH-27196)

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Serhiy Storchaka 2021-07-17 22:44:10 +03:00 • committed by GitHub
parent f88e138a1a
commit 0fd27375ca
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9 changed files with 88 additions and 125 deletions
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Lib/typing.py
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@ -1184,7 +1184,7 @@ class _UnionGenericAlias(_GenericAlias, _root=True):
return Union[params]
def __eq__(self, other):
if not isinstance(other, _UnionGenericAlias):
if not isinstance(other, (_UnionGenericAlias, types.Union)):
return NotImplemented
return set(self.__args__) == set(other.__args__)