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Date: Tue, 14 Nov 2023 12:34:10 +0000
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---
 fastapi/routing.py      | 7 +++----
 tests/test_annotated.py | 1 +
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/fastapi/routing.py b/fastapi/routing.py
index 1df3482ce..54d53bbbf 100644
--- a/fastapi/routing.py
+++ b/fastapi/routing.py
@@ -3,16 +3,14 @@ import dataclasses
 import email.message
 import inspect
 import json
-from contextlib import AsyncExitStack, asynccontextmanager
+from contextlib import AsyncExitStack
 from enum import Enum, IntEnum
 from typing import (
     Any,
-    AsyncIterator,
     Callable,
     Coroutine,
     Dict,
     List,
-    Mapping,
     Optional,
     Sequence,
     Set,
@@ -69,7 +67,7 @@ from starlette.routing import (
     websocket_session,
 )
 from starlette.routing import Mount as Mount  # noqa
-from starlette.types import AppType, ASGIApp, Lifespan, Scope
+from starlette.types import ASGIApp, Lifespan, Scope
 from starlette.websockets import WebSocket
 from typing_extensions import Annotated, Doc, deprecated  # type: ignore [attr-defined]
 
@@ -120,6 +118,7 @@ def _prepare_response_content(
         return dataclasses.asdict(res)
     return res
 
+
 async def serialize_response(
     *,
     field: Optional[ModelField] = None,
diff --git a/tests/test_annotated.py b/tests/test_annotated.py
index 26a608822..2222be978 100644
--- a/tests/test_annotated.py
+++ b/tests/test_annotated.py
@@ -75,6 +75,7 @@ foo_is_short = {
     ]
 }
 
+
 @pytest.mark.parametrize(
     "path,expected_status,expected_response",
     [