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Title: [3.9] bpo-45663: Fix is_dataclass() for dataclasses which are subclasses of types.GenericAlias (GH-29294) by miss-islington · Pull Request #29926 · python/cpython · GitHub

Open Graph Title: [3.9] bpo-45663: Fix is_dataclass() for dataclasses which are subclasses of types.GenericAlias (GH-29294) by miss-islington · Pull Request #29926 · python/cpython

X Title: [3.9] bpo-45663: Fix is_dataclass() for dataclasses which are subclasses of types.GenericAlias (GH-29294) by miss-islington · Pull Request #29926 · python/cpython

Description: (cherry picked from commit 446be16) Co-authored-by: Serhiy Storchaka storchaka@gmail.com https://bugs.python.org/issue45663

Open Graph Description: (cherry picked from commit 446be16) Co-authored-by: Serhiy Storchaka storchaka@gmail.com https://bugs.python.org/issue45663

X Description: (cherry picked from commit 446be16) Co-authored-by: Serhiy Storchaka storchaka@gmail.com https://bugs.python.org/issue45663

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