diff --git a/fastapi/dependencies/utils.py b/fastapi/dependencies/utils.py
index cee9a5ffa..2d84fd3bb 100644
--- a/fastapi/dependencies/utils.py
+++ b/fastapi/dependencies/utils.py
@@ -599,7 +599,9 @@ async def solve_dependencies(
             and dependency_overrides_provider.dependency_overrides
         ):
             original_call = sub_dependant.call
-            call = dependency_overrides_provider.dependency_overrides.get(original_call, original_call)
+            call = dependency_overrides_provider.dependency_overrides.get(
+                original_call, original_call
+            )
             use_path: str = sub_dependant.path  # type: ignore
             use_sub_dependant = get_dependant(
                 path=use_path,
diff --git a/fastapi/routing.py b/fastapi/routing.py
index d70e804cc..c39f95154 100644
--- a/fastapi/routing.py
+++ b/fastapi/routing.py
@@ -48,7 +48,7 @@ from fastapi.exceptions import (
     ResponseValidationError,
     WebSocketRequestValidationError,
 )
-from fastapi.types import DecoratedCallable, IncEx, DependencyOverridesProvider
+from fastapi.types import DecoratedCallable, DependencyOverridesProvider, IncEx
 from fastapi.utils import (
     create_cloned_field,
     create_model_field,
diff --git a/fastapi/types.py b/fastapi/types.py
index 62667c782..465861616 100644
--- a/fastapi/types.py
+++ b/fastapi/types.py
@@ -1,6 +1,6 @@
 import types
 from enum import Enum
-from typing import Any, Callable, Optional, TypeVar, Union, Protocol
+from typing import Any, Callable, Optional, Protocol, TypeVar, Union
 
 from pydantic import BaseModel
 
@@ -10,5 +10,6 @@ ModelNameMap = dict[Union[type[BaseModel], type[Enum]], str]
 IncEx = Union[set[int], set[str], dict[int, Any], dict[str, Any]]
 DependencyCacheKey = tuple[Optional[Callable[..., Any]], tuple[str, ...], str]
 
+
 class DependencyOverridesProvider(Protocol):
     dependency_overrides: dict[Callable[..., Any], Any]