bpo-45663: Fix is_dataclass() for dataclasses which are subclasses of types.GenericAlias#29294

serhiy-storchaka merged 2 commits into

python:mainpython/cpython:mainfrom

serhiy-storchaka:is_dataclass-genericaliasserhiy-storchaka/cpython:is_dataclass-genericaliasCopy head branch name to clipboard