Use typing_extensions.Self instead of _typeshed.Self (#9702)

stubs/tensorflow/tensorflow/__init__.pyi

@@ -1,11 +1,11 @@
-from _typeshed import Incomplete, Self, Unused
+from _typeshed import Incomplete, Unused
 from abc import ABCMeta
 from builtins import bool as _bool
 from collections.abc import Callable, Iterable, Iterator, Sequence
 from contextlib import contextmanager
 from enum import Enum
 from typing import Any, NoReturn, overload
-from typing_extensions import TypeAlias
+from typing_extensions import Self, TypeAlias
 
 import numpy
 
@@ -222,7 +222,7 @@ class Graph:
     def add_to_collection(self, name: str, value: object) -> None: ...
     def add_to_collections(self, names: Iterable[str] | str, value: object) -> None: ...
     @contextmanager
-    def as_default(self: Self) -> Iterator[Self]: ...
+    def as_default(self) -> Iterator[Self]: ...
     def finalize(self) -> None: ...
     def get_tensor_by_name(self, name: str) -> Tensor: ...
     def get_operation_by_name(self, name: str) -> Operation: ...