Use lowercase type everywhere (#6853)

stdlib/urllib/response.pyi

@@ -2,7 +2,7 @@ import sys
 from _typeshed import Self
 from email.message import Message
 from types import TracebackType
-from typing import IO, Any, BinaryIO, Callable, Iterable, Type, TypeVar
+from typing import IO, Any, BinaryIO, Callable, Iterable, TypeVar
 
 _AIUT = TypeVar("_AIUT", bound=addbase)
 
@@ -11,7 +11,7 @@ class addbase(BinaryIO):
     def __init__(self, fp: IO[bytes]) -> None: ...
     def __enter__(self: Self) -> Self: ...
     def __exit__(
-        self, type: Type[BaseException] | None, value: BaseException | None, traceback: TracebackType | None
+        self, type: type[BaseException] | None, value: BaseException | None, traceback: TracebackType | None
     ) -> None: ...
     def __iter__(self: _AIUT) -> _AIUT: ...
     def __next__(self) -> bytes: ...