Always import Protocol from typing in stubs (#6617)

stubs/click-spinner/click_spinner/__init__.pyi

@@ -1,7 +1,7 @@
 import threading
 from types import TracebackType
-from typing import Iterator, Type
-from typing_extensions import Literal, Protocol
+from typing import Iterator, Protocol, Type
+from typing_extensions import Literal
 
 __version__: str
 

stubs/redis/redis/lock.pyi

@@ -1,6 +1,5 @@
 from types import TracebackType
-from typing import Any, ClassVar, Type
-from typing_extensions import Protocol
+from typing import Any, ClassVar, Protocol, Type
 
 from redis.client import Redis
 

stubs/toposort/toposort.pyi

@@ -1,6 +1,5 @@
 from _typeshed import SupportsItems
-from typing import Any, Iterable, Iterator, TypeVar
-from typing_extensions import Protocol
+from typing import Any, Iterable, Iterator, Protocol, TypeVar
 
 _KT_co = TypeVar("_KT_co", covariant=True)
 _VT_co = TypeVar("_VT_co", covariant=True)