Add Typing Extensions module for dataclass_transform

graphene/types/objecttype.py

@@ -1,4 +1,5 @@
-from typing import TYPE_CHECKING, dataclass_transform
+from typing import TYPE_CHECKING
+from typing_extensions import dataclass_transform
 
 from .base import BaseOptions, BaseType, BaseTypeMeta
 from .field import Field

setup.py

@@ -86,6 +86,7 @@ setup(
         "graphql-core>=3.1,<3.3",
         "graphql-relay>=3.1,<3.3",
         "aniso8601>=8,<10",
+        "typing_extensions>=4.1.0",
     ],
     tests_require=tests_require,
     extras_require={"test": tests_require, "dev": dev_requires},