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Title: Fix Union type merging to use types.UnionType instead of typing.Union by tangyuan0821 · Pull Request #137068 · python/cpython · GitHub

Open Graph Title: Fix Union type merging to use types.UnionType instead of typing.Union by tangyuan0821 · Pull Request #137068 · python/cpython

X Title: Fix Union type merging to use types.UnionType instead of typing.Union by tangyuan0821 · Pull Request #137068 · python/cpython

Description: Fixes #137065 Summary This PR fixes the Union type merging issue where types.UnionType was incorrectly merged with typing.Union instead of typing._UnionGenericAlias. Now typing.Union[int, str] prop...

Open Graph Description: Fixes #137065 Summary This PR fixes the Union type merging issue where types.UnionType was incorrectly merged with typing.Union instead of typing._UnionGenericAlias. Now typing.Union[int, str] prop...

X Description: Fixes #137065 Summary This PR fixes the Union type merging issue where types.UnionType was incorrectly merged with typing.Union instead of typing._UnionGenericAlias. Now typing.Union[int, str] prop...

Opengraph URL: https://github.com/python/cpython/pull/137068

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og:image:altFixes #137065 Summary This PR fixes the Union type merging issue where types.UnionType was incorrectly merged with typing.Union instead of typing._UnionGenericAlias. Now typing.Union[int, str] prop...
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Fix Union type merging to use types.UnionType instead of typing.Union https://github.com/python/cpython/pull/137068#top
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Refactor the typing module to remove C extension support for Union.https://github.com/python/cpython/pull/137068/commits/78e87859c8c6908f75539ae371e5b799f04b2c38
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Merge 'types.UnionType' with typing._UnionGenericAlias, not typing.Union https://github.com/python/cpython/issues/137065
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