API refactor

venv/lib/python3.12/site-packages/starlette/middleware/authentication.py

@@ -1,4 +1,6 @@
-import typing
+from __future__ import annotations
+
+from typing import Callable
 
 from starlette.authentication import (
     AuthCredentials,
@@ -16,15 +18,13 @@ class AuthenticationMiddleware:
         self,
         app: ASGIApp,
         backend: AuthenticationBackend,
-        on_error: typing.Optional[
-            typing.Callable[[HTTPConnection, AuthenticationError], Response]
-        ] = None,
+        on_error: Callable[[HTTPConnection, AuthenticationError], Response] | None = None,
     ) -> None:
         self.app = app
         self.backend = backend
-        self.on_error: typing.Callable[
-            [HTTPConnection, AuthenticationError], Response
-        ] = (on_error if on_error is not None else self.default_on_error)
+        self.on_error: Callable[[HTTPConnection, AuthenticationError], Response] = (
+            on_error if on_error is not None else self.default_on_error
+        )
 
     async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
         if scope["type"] not in ["http", "websocket"]: