TypeAliasType type_params accepts typing_extensions.TypeVar also (#14840)

Author: carljm

stdlib/typing.pyi

@@ -1136,7 +1136,21 @@ if sys.version_info >= (3, 12):
     def override(method: _F, /) -> _F: ...
     @final
     class TypeAliasType:
-        def __new__(cls, name: str, value: Any, *, type_params: tuple[TypeVar | ParamSpec | TypeVarTuple, ...] = ()) -> Self: ...
+        def __new__(
+            cls,
+            name: str,
+            value: Any,
+            *,
+            type_params: tuple[
+                TypeVar
+                | typing_extensions.TypeVar
+                | ParamSpec
+                | typing_extensions.ParamSpec
+                | TypeVarTuple
+                | typing_extensions.TypeVarTuple,
+                ...,
+            ] = (),
+        ) -> Self: ...
         @property
         def __value__(self) -> Any: ...  # AnnotationForm
         @property