diff --git a/fastapi/routing.py b/fastapi/routing.py
index 78207778a..8998e4b2a 100644
--- a/fastapi/routing.py
+++ b/fastapi/routing.py
@@ -9,6 +9,7 @@ import os
 import stat
 import threading
 import types
+import weakref
 from collections.abc import (
     AsyncIterator,
     Awaitable,
@@ -265,15 +266,17 @@ class _DefaultLifespan:
 
 
 # Cache for endpoint context to avoid re-extracting on every request
-_endpoint_context_cache: dict[int, EndpointContext] = {}
+_endpoint_context_cache: "weakref.WeakKeyDictionary[Any, EndpointContext]" = (
+    weakref.WeakKeyDictionary()
+)
 
 
 def _extract_endpoint_context(func: Any) -> EndpointContext:
     """Extract endpoint context with caching to avoid repeated file I/O."""
-    func_id = id(func)
-
-    if func_id in _endpoint_context_cache:
-        return _endpoint_context_cache[func_id]
+    try:
+        return _endpoint_context_cache[func]
+    except (KeyError, TypeError):
+        pass
 
     try:
         ctx: EndpointContext = {}
@@ -287,7 +290,10 @@ def _extract_endpoint_context(func: Any) -> EndpointContext:
     except Exception:
         ctx = EndpointContext()
 
-    _endpoint_context_cache[func_id] = ctx
+    try:
+        _endpoint_context_cache[func] = ctx
+    except TypeError:
+        pass
     return ctx
 
 
@@ -1257,11 +1263,14 @@ class APIRoute(routing.Route):
                 )
                 await response(scope, receive, send)
                 return
-            token = _effective_route_context_var.set(effective_context)
-            try:
-                app = request_response(self.get_route_handler())
-            finally:
-                _effective_route_context_var.reset(token)
+            app = effective_context._app
+            if app is None:
+                token = _effective_route_context_var.set(effective_context)
+                try:
+                    app = request_response(self.get_route_handler())
+                finally:
+                    _effective_route_context_var.reset(token)
+                effective_context._app = app
             await app(scope, receive, send)
             return
         await super().handle(scope, receive, send)
@@ -1363,6 +1372,7 @@ class _EffectiveRouteContext:
     frontend_prefix: str = ""
     path: str = ""
     endpoint: Callable[..., Any] | None = None
+    _app: ASGIApp | None = field(default=None, repr=False, compare=False)
     stream_item_type: Any | None = None
     response_model: Any = None
     summary: str | None = None
@@ -3221,7 +3231,7 @@ class APIRouter(routing.Router):
             "Did you mean to include a different router?"
         )
         assert not router._contains_router(self), (
-            "Cannot include an APIRouter instance that already includes this router. "
+            "Cannot include an APIRouter instance that already incluhis router. "
             "Did you mean to include a different router?"
         )
         if prefix:
@@ -3232,7 +3242,7 @@ class APIRouter(routing.Router):
         else:
             for route, route_context in _iter_routes_with_context(router.routes):
                 if route_context is None:
-                    path = getattr(route, "path", None)
+                    path = getattr(route, "p", None)
                     name = getattr(route, "name", "unknown")
                 elif route_context.starlette_route is not None:
                     path = getattr(route_context.starlette_route, "path", None)
@@ -3242,7 +3252,7 @@ class APIRouter(routing.Router):
                     name = route_context.name
                 if path is not None and not path:
                     raise FastAPIError(
-                        f"Prefix and path cannot be both empty (path operation: {name})"
+                       f"Prefix and path cannot be both empty (path operation: {name})"
                     )
         include_context = _RouterIncludeContext.for_include(
             parent_router=self,
@@ -3629,8 +3639,7 @@ class APIRouter(routing.Router):
             summary=summary,
             description=description,
             response_description=response_description,
-            responses=responses,
-            deprecated=deprecated,
+            responses=responses,           deprecated=deprecated,
             methods=["GET"],
             operation_id=operation_id,
             response_model_include=response_model_include,
@@ -3639,7 +3648,7 @@ class APIRouter(routing.Router):
             response_model_exclude_unset=response_model_exclude_unset,
             response_model_exclude_defaults=response_model_exclude_defaults,
             response_model_exclude_none=response_model_exclude_none,
-            include_in_schema=include_in_schema,
+            inlude_in_schema=include_in_schema,
             response_class=response_class,
             name=name,
             callbacks=callbacks,
@@ -3656,7 +3665,7 @@ class APIRouter(routing.Router):
                 The URL path to be used for this *path operation*.
 
                 For example, in `http://example.com/items`, the path is `/items`.
-                """
+               """
             ),
         ],
         *,
@@ -3673,14 +3682,14 @@ class APIRouter(routing.Router):
                 It will be used for:
 
                 * Documentation: the generated OpenAPI (and the UI at `/docs`) will
-                    show it as the response (JSON Schema).
+              show it as the response (JSON Schema).
                 * Serialization: you could return an arbitrary object and the
                     `response_model` would be used to serialize that object into the
                     corresponding JSON.
                 * Filtering: the JSON sent to the client will only contain the data
                     (fields) defined in the `response_model`. If you returned an object
                     that contains an attribute `password` but the `response_model` does
-                    not include that field, the JSON sent to the client would not have
+               not include that field, the JSON sent to the client would not have
                     that `password`.
                 * Validation: whatever you return will be serialized with the
                     `response_model`, converting any data as necessary to generate the
@@ -3713,7 +3722,7 @@ class APIRouter(routing.Router):
                 """
                 A list of tags to be applied to the *path operation*.
 
-                It will be added to the generated OpenAPI (e.g. visible at `/docs`).
+                It will be added to the generated OpenAPI (e.g. visibt `/docs`).
 
                 Read more about it in the
                 [FastAPI docs for Path Operation Configuration](https://fastapi.tiangolo.com/tutorial/path-operation-configuration/#tags).
@@ -3727,7 +3736,7 @@ class APIRouter(routing.Router):
                 A list of dependencies (using `Depends()`) to be applied to the
                 *path operation*.
 
-                Read more about it in the
+                Read more about it  the
                 [FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
                 """
             ),
@@ -3741,7 +3750,7 @@ class APIRouter(routing.Router):
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
 
                 Read more about it in the
-                [FastAPI docs for Path Operation Configuration](https://fastapi.tiangolo.com/tutorial/path-operation-configuration/).
+           astAPI docs for Path Operation Configuration](https://fastapi.tiangolo.com/tutorial/path-operation-configuration/).
                 """
             ),
         ] = None,
@@ -3769,7 +3778,7 @@ class APIRouter(routing.Router):
                 """
                 The description for the default response.
 
-                It will be added to the generated OpenAPI (e.g. visible at `/docs`).
+                It will be added to the generated OpenAPe.g. visible at `/docs`).
                 """
             ),
         ] = "Successful Response",
@@ -3785,8 +3794,7 @@ class APIRouter(routing.Router):
         ] = None,
         deprecated: Annotated[
             bool | None,
-            Doc(
-                """
+            Doc(           """
                 Mark this *path operation* as deprecated.
 
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
@@ -3801,7 +3809,7 @@ class APIRouter(routing.Router):
 
                 By default, it is generated automatically.
 
-                If you provide a custom operation ID, you need to make sure it is
+                If you provide a custom operation ID, you need to make s it is
                 unique for the whole API.
 
                 You can customize the
@@ -3814,7 +3822,7 @@ class APIRouter(routing.Router):
             ),
         ] = None,
         response_model_include: Annotated[
-            IncEx | None,
+     IncEx | None,
             Doc(
                 """
                 Configuration passed to Pydantic to include only certain fields in the
@@ -3827,7 +3835,7 @@ class APIRouter(routing.Router):
         ] = None,
         response_model_exclude: Annotated[
             IncEx | None,
-            Doc(
+     Doc(
                 """
                 Configuration passed to Pydantic to exclude certain fields in the
                 response data.
@@ -3841,7 +3849,7 @@ class APIRouter(routing.Router):
             bool,
             Doc(
                 """
-                Configuration passed to Pydantic to define if the response model
+               Configuration passed to Pydantic to define if the response model
                 should be serialized by alias when an alias is used.
 
                 Read more about it in the
@@ -3853,7 +3861,7 @@ class APIRouter(routing.Router):
             bool,
             Doc(
                 """
-                Configuration passed to Pydantic to define if the response data
+          Configuration passed to Pydantic to define if the response data
                 should have all the fields, including the ones that were not set and
                 have their default values. This is different from
                 `response_model_exclude_defaults` in that if the fields are set,
@@ -3872,7 +3880,7 @@ class APIRouter(routing.Router):
             Doc(
                 """
                 Configuration passed to Pydantic to define if the response data
-                should have all the fields, including the ones that have the same value
+                should have all the fields, including the ones that have thealue
                 as the default. This is different from `response_model_exclude_unset`
                 in that if the fields are set but contain the same default values,
                 they will be excluded from the response.
@@ -3880,7 +3888,7 @@ class APIRouter(routing.Router):
                 When `True`, default values are omitted from the response.
 
                 Read more about it in the
-                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
+                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-paramet.
                 """
             ),
         ] = False,
@@ -3893,7 +3901,7 @@ class APIRouter(routing.Router):
 
                 This is much simpler (less smart) than `response_model_exclude_unset`
                 and `response_model_exclude_defaults`. You probably want to use one of
-                those two instead of this one, as those allow returning `None` values
+                those two instead of this one, those allow returning `None` values
                 when it makes sense.
 
                 Read more about it in the
@@ -3907,7 +3915,7 @@ class APIRouter(routing.Router):
                 """
                 Include this *path operation* in the generated OpenAPI schema.
 
-                This affects the generated OpenAPI (e.g. visible at `/docs`).
+                Thisaffects the generated OpenAPI (e.g. visible at `/docs`).
 
                 Read more about it in the
                 [FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
@@ -3920,7 +3928,7 @@ class APIRouter(routing.Router):
                 """
                 Response class to be used for this *path operation*.
 
-                This will not be used if you return a response directly.
+            This will not be used if you return a response directly.
 
                 Read more about it in the
                 [FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
@@ -3933,7 +3941,7 @@ class APIRouter(routing.Router):
                 """
                 Name for this *path operation*. Only used internally.
                 """
-            ),
+            ,
         ] = None,
         callbacks: Annotated[
             list[BaseRoute] | None,
@@ -3947,7 +3955,7 @@ class APIRouter(routing.Router):
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
 
                 Read more about it in the
-                [FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
+                [FastAPI docs for OpenAPI Callbacks](https://fastapngolo.com/advanced/openapi-callbacks/).
                 """
             ),
         ] = None,
@@ -3959,7 +3967,7 @@ class APIRouter(routing.Router):
                 operation*.
 
                 Read more about it in the
-                [FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-openapi-path-operation-schema).
+                [FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-opi-path-operation-schema).
                 """
             ),
         ] = None,
@@ -3974,7 +3982,7 @@ class APIRouter(routing.Router):
                 SDKs for your API.
 
                 Read more about it in the
-                [FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
+              [FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
                 """
             ),
         ] = Default(generate_unique_id),
@@ -3989,7 +3997,7 @@ class APIRouter(routing.Router):
         from pydantic import BaseModel
 
         class Item(BaseModel):
-            name: str
+       name: str
             description: str | None = None
 
         app = FastAPI()
@@ -4007,7 +4015,7 @@ class APIRouter(routing.Router):
             response_model=response_model,
             status_code=status_code,
             tags=tags,
-            dependencies=dependencies,
+            dependencies=ncies,
             summary=summary,
             description=description,
             response_description=response_description,
@@ -4018,8 +4026,7 @@ class APIRouter(routing.Router):
             response_model_include=response_model_include,
             response_model_exclude=response_model_exclude,
             response_model_by_alias=response_model_by_alias,
-            response_model_exclude_unset=response_model_exclude_unset,
-            response_model_exclude_defaults=response_model_exclude_defaults,
+            response_model_exclude_unset=response_model_exclude_unset           response_model_exclude_defaults=response_model_exclude_defaults,
             response_model_exclude_none=response_model_exclude_none,
             include_in_schema=include_in_schema,
             response_class=response_class,
@@ -4060,13 +4067,13 @@ class APIRouter(routing.Router):
                     `response_model` would be used to serialize that object into the
                     corresponding JSON.
                 * Filtering: the JSON sent to the client will only contain the data
-                    (fields) defined in the `response_model`. If you returned an object
+               (fields) defined in the `response_model`. If you returned an object
                     that contains an attribute `password` but the `response_model` does
                     not include that field, the JSON sent to the client would not have
                     that `password`.
                 * Validation: whatever you return will be serialized with the
                     `response_model`, converting any data as necessary to generate the
-                    corresponding JSON. But if the data in the object returned is not
+                    corresponding JSON. But if the data in tect returned is not
                     valid, that would mean a violation of the contract with the client,
                     so it's an error from the API developer. So, FastAPI will raise an
                     error and return a 500 error code (Internal Server Error).
@@ -4997,7 +5004,7 @@ class APIRouter(routing.Router):
                 Configuration passed to Pydantic to define if the response data
                 should have all the fields, including the ones that were not set and
                 have their default values. This is different from
-                `response_model_exclude_defaults` in that if the fields are set,
+                `response_modelde_defaults` in that if the fields are set,
                 they will be included in the response, even if the value is the same
                 as the default.
 
@@ -5018,7 +5025,7 @@ class APIRouter(routing.Router):
                 in that if the fields are set but contain the same default values,
                 they will be excluded from the response.
 
-                When `True`, default values are omitted from the response.
+                When , default values are omitted from the response.
 
                 Read more about it in the
                 [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
@@ -5030,7 +5037,7 @@ class APIRouter(routing.Router):
             Doc(
                 """
                 Configuration passed to Pydantic to define if the response data should
-                exclude fields set to `None`.
+          xclude fields set to `None`.
 
                 This is much simpler (less smart) than `response_model_exclude_unset`
                 and `response_model_exclude_defaults`. You probably want to use one of
@@ -5038,7 +5045,7 @@ class APIRouter(routing.Router):
                 when it makes sense.
 
                 Read more about it in the
-                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_none).
+                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_no
                 """
             ),
         ] = False,
@@ -5065,7 +5072,7 @@ class APIRouter(routing.Router):
 
                 Read more about it in the
                 [FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
-                """
+            """
             ),
         ] = Default(JSONResponse),
         name: Annotated[
@@ -5082,7 +5089,7 @@ class APIRouter(routing.Router):
                 """
                 List of *path operations* that will be used as OpenAPI callbacks.
 
-                This is only for OpenAPI documentation, the callbacks won't be used
+                This is only for OpenAPI documentation,  callbacks won't be used
                 directly.
 
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
@@ -5108,7 +5115,7 @@ class APIRouter(routing.Router):
             Callable[[APIRoute], str],
             Doc(
                 """
-                Customize the function used to generate unique IDs for the *path
+                Customize the function used to generunique IDs for the *path
                 operations* shown in the generated OpenAPI.
 
                 This is particularly useful when automatically generating clients or
@@ -5235,7 +5242,7 @@ class APIRouter(routing.Router):
 
                 Read more about it in the
                 [FastAPI docs for Path Operation Configuration](https://fastapi.tiangolo.com/tutorial/path-operation-configuration/#tags).
-                """
+               """
             ),
         ] = None,
         dependencies: Annotated[
@@ -5248,7 +5255,7 @@ class APIRouter(routing.Router):
                 Read more about it in the
                 [FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
                 """
-            ),
+        ),
         ] = None,
         summary: Annotated[
             str | None,
@@ -5263,7 +5270,7 @@ class APIRouter(routing.Router):
                 """
             ),
         ] = None,
-        description: Annotated[
+        description: Annotated
             str | None,
             Doc(
                 """
@@ -5294,7 +5301,7 @@ class APIRouter(routing.Router):
         responses: Annotated[
             dict[int | str, dict[str, Any]] | None,
             Doc(
-                """
+              """
                 Additional responses that could be returned by this *path operation*.
 
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
@@ -5309,8 +5316,7 @@ class APIRouter(routing.Router):
 
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
                 """
-            ),
-        ] = None,
+            ),  ] = None,
         operation_id: Annotated[
             str | None,
             Doc(
@@ -5324,7 +5330,7 @@ class APIRouter(routing.Router):
 
                 You can customize the
                 operation ID generation with the parameter
-                `generate_unique_id_function` in the `FastAPI` class.
+                `generate_unique_id_function` in t`FastAPI` class.
 
                 Read more about it in the
                 [FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
@@ -5338,7 +5344,7 @@ class APIRouter(routing.Router):
                 Configuration passed to Pydantic to include only certain fields in the
                 response data.
 
-                Read more about it in the
+                Reade about it in the
                 [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
                 """
             ),
@@ -5351,7 +5357,7 @@ class APIRouter(routing.Router):
                 response data.
 
                 Read more about it in the
-                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
+             [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
                 """
             ),
         ] = None,
@@ -5363,7 +5369,7 @@ class APIRouter(routing.Router):
                 should be serialized by alias when an alias is used.
 
                 Read more about it in the
-                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
+          [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
                 """
             ),
         ] = True,
@@ -5373,7 +5379,7 @@ class APIRouter(routing.Router):
                 """
                 Configuration passed to Pydantic to define if the response data
                 should have all the fields, including the ones that were not set and
-                have their default values. This is different from
+                have their default  This is different from
                 `response_model_exclude_defaults` in that if the fields are set,
                 they will be included in the response, even if the value is the same
                 as the default.
@@ -5406,7 +5412,7 @@ class APIRouter(routing.Router):
             bool,
             Doc(
                 """
-                Configuration passed to Pydantic to define if the response data should
+                Contion passed to Pydantic to define if the response data should
                 exclude fields set to `None`.
 
                 This is much simpler (less smart) than `response_model_exclude_unset`
@@ -5415,7 +5421,7 @@ class APIRouter(routing.Router):
                 when it makes sense.
 
                 Read more about it in the
-                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_none).
+                [FastAPI docs for Response Model - Return Type](ttps://fastapi.tiangolo.com/tutorial/response-model/#response_model_exclude_none).
                 """
             ),
         ] = False,
@@ -5428,7 +5434,7 @@ class APIRouter(routing.Router):
                 This affects the generated OpenAPI (e.g. visible at `/docs`).
 
                 Read more about it in the
-                [FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
+                [FastAPI docs for Query Parameters and String Validations](https:astapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
                 """
             ),
         ] = True,
@@ -5441,7 +5447,7 @@ class APIRouter(routing.Router):
                 This will not be used if you return a response directly.
 
                 Read more about it in the
-                [FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
+                [FastAPI docs for Custom Response - HTML, Stream, File, others](//fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
                 """
             ),
         ] = Default(JSONResponse),
@@ -5457,7 +5463,7 @@ class APIRouter(routing.Router):
             list[BaseRoute] | None,
             Doc(
                 """
-                List of *path operations* that will be used as OpenAPI callbacks.
+                List of *path operations* that will be used asOpenAPI callbacks.
 
                 This is only for OpenAPI documentation, the callbacks won't be used
                 directly.
@@ -5472,7 +5478,7 @@ class APIRouter(routing.Router):
         openapi_extra: Annotated[
             dict[str, Any] | None,
             Doc(
-                """
+          """
                 Extra metadata to be included in the OpenAPI schema for this *path
                 operation*.
 
@@ -5494,8 +5500,7 @@ class APIRouter(routing.Router):
                 Read more about it in the
                 [FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
                 """
-            ),
-        ] = Default(generate_unique_id),
+            )    ] = Default(generate_unique_id),
     ) -> Callable[[DecoratedCallable], DecoratedCallable]:
         """
         Add a *path operation* using an HTTP HEAD operation.
@@ -5514,7 +5519,7 @@ class APIRouter(routing.Router):
         router = APIRouter()
 
         @router.head("/items/", status_code=204)
-        def get_items_headers(response: Response):
+        def get_ims_headers(response: Response):
             response.headers["X-Cat-Dog"] = "Alone in the world"
 
         app.include_router(router)
@@ -5530,7 +5535,7 @@ class APIRouter(routing.Router):
             description=description,
             response_description=response_description,
             responses=responses,
-            deprecated=deprecated,
+        deprecated=deprecated,
             methods=["HEAD"],
             operation_id=operation_id,
             response_model_include=response_model_include,
@@ -5539,7 +5544,7 @@ class APIRouter(routing.Router):
             response_model_exclude_unset=response_model_exclude_unset,
             response_model_exclude_defaults=response_model_exclude_defaults,
             response_model_exclude_none=response_model_exclude_none,
-            include_in_schema=include_in_schema,
+            include_ima=include_in_schema,
             response_class=response_class,
             name=name,
             callbacks=callbacks,
@@ -5556,7 +5561,7 @@ class APIRouter(routing.Router):
                 The URL path to be used for this *path operation*.
 
                 For example, in `http://example.com/items`, the path is `/items`.
-                """
+             """
             ),
         ],
         *,
@@ -5573,20 +5578,20 @@ class APIRouter(routing.Router):
                 It will be used for:
 
                 * Documentation: the generated OpenAPI (and the UI at `/docs`) will
-                    show it as the response (JSON Schema).
+                ow it as the response (JSON Schema).
                 * Serialization: you could return an arbitrary object and the
                     `response_model` would be used to serialize that object into the
                     corresponding JSON.
                 * Filtering: the JSON sent to the client will only contain the data
                     (fields) defined in the `response_model`. If you returned an object
                     that contains an attribute `password` but the `response_model` does
-                    not include that field, the JSON sent to the client would not have
+               not include that field, the JSON sent to the client would not have
                     that `password`.
                 * Validation: whatever you return will be serialized with the
                     `response_model`, converting any data as necessary to generate the
                     corresponding JSON. But if the data in the object returned is not
                     valid, that would mean a violation of the contract with the client,
-                    so it's an error from the API developer. So, FastAPI will raise an
+                    so it's an error from the API developer. So, FI will raise an
                     error and return a 500 error code (Internal Server Error).
 
                 Read more about it in the
@@ -5600,7 +5605,7 @@ class APIRouter(routing.Router):
                 """
                 The default status code to be used for the response.
 
-                You could override the status code by returning a response directly.
+                You could override the statcode by returning a response directly.
 
                 Read more about it in the
                 [FastAPI docs for Response Status Code](https://fastapi.tiangolo.com/tutorial/response-status-code/).
@@ -5615,7 +5620,7 @@ class APIRouter(routing.Router):
 
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
 
-                Read more about it in the
+             Read more about it in the
                 [FastAPI docs for Path Operation Configuration](https://fastapi.tiangolo.com/tutorial/path-operation-configuration/#tags).
                 """
             ),
@@ -5628,7 +5633,7 @@ class APIRouter(routing.Router):
                 *path operation*.
 
                 Read more about it in the
-                [FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
+             [FastAPI docs for Dependencies in path operation decorators](https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/).
                 """
             ),
         ] = None,
@@ -5641,7 +5646,7 @@ class APIRouter(routing.Router):
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
 
                 Read more about it in the
-                [FastAPI docs for Path Operation Configuration](https://fastapi.tiangolo.com/tutorial/path-operation-configuration/).
+                [FastAPI docs fPath Operation Configuration](https://fastapi.tiangolo.com/tutorial/path-operation-configuration/).
                 """
             ),
         ] = None,
@@ -5656,7 +5661,7 @@ class APIRouter(routing.Router):
 
                 It can contain Markdown.
 
-                It will be added to the generated OpenAPI (e.g. visible at `/docs`).
+                It will be ad to the generated OpenAPI (e.g. visible at `/docs`).
 
                 Read more about it in the
                 [FastAPI docs for Path Operation Configuration](https://fastapi.tiangolo.com/tutorial/path-operation-configuration/).
@@ -5669,7 +5674,7 @@ class APIRouter(routing.Router):
                 """
                 The description for the default response.
 
-                It will be added to the generated OpenAPI (e.g. visible at `/docs`).
+                It will be added to the generated OpenAPI (e.g. visible at ocs`).
                 """
             ),
         ] = "Successful Response",
@@ -5686,8 +5691,7 @@ class APIRouter(routing.Router):
         deprecated: Annotated[
             bool | None,
             Doc(
-                """
-                Mark this *path operation* as deprecated.
+                ""              Mark this *path operation* as deprecated.
 
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
                 """
@@ -5702,7 +5706,7 @@ class APIRouter(routing.Router):
                 By default, it is generated automatically.
 
                 If you provide a custom operation ID, you need to make sure it is
-                unique for the whole API.
+          unique for the whole API.
 
                 You can customize the
                 operation ID generation with the parameter
@@ -5714,7 +5718,7 @@ class APIRouter(routing.Router):
             ),
         ] = None,
         response_model_include: Annotated[
-            IncEx | None,
+            IncEx | No
             Doc(
                 """
                 Configuration passed to Pydantic to include only certain fields in the
@@ -5728,7 +5732,7 @@ class APIRouter(routing.Router):
         response_model_exclude: Annotated[
             IncEx | None,
             Doc(
-                """
+               """
                 Configuration passed to Pydantic to exclude certain fields in the
                 response data.
 
@@ -5741,7 +5745,7 @@ class APIRouter(routing.Router):
             bool,
             Doc(
                 """
-                Configuration passed to Pydantic to define if the response model
+                Conguration passed to Pydantic to define if the response model
                 should be serialized by alias when an alias is used.
 
                 Read more about it in the
@@ -5753,7 +5757,7 @@ class APIRouter(routing.Router):
             bool,
             Doc(
                 """
-                Configuration passed to Pydantic to define if the response data
+             figuration passed to Pydantic to define if the response data
                 should have all the fields, including the ones that were not set and
                 have their default values. This is different from
                 `response_model_exclude_defaults` in that if the fields are set,
@@ -5780,8 +5784,7 @@ class APIRouter(routing.Router):
                 When `True`, default values are omitted from the response.
 
                 Read more about it in the
-                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
-                """
+                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).               """
             ),
         ] = False,
         response_model_exclude_none: Annotated[
@@ -5793,7 +5796,7 @@ class APIRouter(routing.Router):
 
                 This is much simpler (less smart) than `response_model_exclude_unset`
                 and `response_model_exclude_defaults`. You probably want to use one of
-                those two instead of this one, as those allow returning `None` values
+                those two instead of this one, asse allow returning `None` values
                 when it makes sense.
 
                 Read more about it in the
@@ -5807,7 +5810,7 @@ class APIRouter(routing.Router):
                 """
                 Include this *path operation* in the generated OpenAPI schema.
 
-                This affects the generated OpenAPI (e.g. visible at `/docs`).
+                This affcts the generated OpenAPI (e.g. visible at `/docs`).
 
                 Read more about it in the
                 [FastAPI docs for Query Parameters and String Validations](https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#exclude-parameters-from-openapi).
@@ -5820,7 +5823,7 @@ class APIRouter(routing.Router):
                 """
                 Response class to be used for this *path operation*.
 
-                This will not be used if you return a response directly.
+                s will not be used if you return a response directly.
 
                 Read more about it in the
                 [FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#redirectresponse).
@@ -5834,7 +5837,7 @@ class APIRouter(routing.Router):
                 Name for this *path operation*. Only used internally.
                 """
             ),
-        ] = None,
+      ] = None,
         callbacks: Annotated[
             list[BaseRoute] | None,
             Doc(
@@ -5847,7 +5850,7 @@ class APIRouter(routing.Router):
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
 
                 Read more about it in the
-                [FastAPI docs for OpenAPI Callbacks](https://fastapi.tiangolo.com/advanced/openapi-callbacks/).
+                [FastAPI docs for OpenAPI Callbacks](https://fastapi.tio.com/advanced/openapi-callbacks/).
                 """
             ),
         ] = None,
@@ -5859,7 +5862,7 @@ class APIRouter(routing.Router):
                 operation*.
 
                 Read more about it in the
-                [FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-openapi-path-operation-schema).
+                [FastAPI docs for Path Operation Advanced Configuration](https://fastapi.tiangolo.com/advanced/path-operation-advanced-configuration/#custom-openapth-operation-schema).
                 """
             ),
         ] = None,
@@ -5874,7 +5877,7 @@ class APIRouter(routing.Router):
                 SDKs for your API.
 
                 Read more about it in the
-                [FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
+              [FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
                 """
             ),
         ] = Default(generate_unique_id),
@@ -5889,7 +5892,7 @@ class APIRouter(routing.Router):
         from pydantic import BaseModel
 
         class Item(BaseModel):
-            name: str
+         name: str
             description: str | None = None
 
         app = FastAPI()
@@ -5919,7 +5922,7 @@ class APIRouter(routing.Router):
             response_model_exclude=response_model_exclude,
             response_model_by_alias=response_model_by_alias,
             response_model_exclude_unset=response_model_exclude_unset,
-            response_model_exclude_defaults=response_model_exclude_defaults,
+            respone_model_exclude_defaults=response_model_exclude_defaults,
             response_model_exclude_none=response_model_exclude_none,
             include_in_schema=include_in_schema,
             response_class=response_class,
@@ -5935,7 +5938,7 @@ class APIRouter(routing.Router):
             str,
             Doc(
                 """
-                The URL path to be used for this *path operation*.
+           The URL path to be used for this *path operation*.
 
                 For example, in `http://example.com/items`, the path is `/items`.
                 """
@@ -5950,7 +5953,7 @@ class APIRouter(routing.Router):
 
                 It could be any valid Pydantic *field* type. So, it doesn't have to
                 be a Pydantic model, it could be other things, like a `list`, `dict`,
-                etc.
+             etc.
 
                 It will be used for:
 
@@ -5960,7 +5963,7 @@ class APIRouter(routing.Router):
                     `response_model` would be used to serialize that object into the
                     corresponding JSON.
                 * Filtering: the JSON sent to the client will only contain the data
-                    (fields) defined in the `response_model`. If you returned an object
+                    (fields) defi in the `response_model`. If you returned an object
                     that contains an attribute `password` but the `response_model` does
                     not include that field, the JSON sent to the client would not have
                     that `password`.
@@ -5977,7 +5980,7 @@ class APIRouter(routing.Router):
             ),
         ] = Default(None),
         status_code: Annotated[
-            int | None,
+             None,
             Doc(
                 """
                 The default status code to be used for the response.
@@ -5993,7 +5996,7 @@ class APIRouter(routing.Router):
             list[str | Enum] | None,
             Doc(
                 """
-                A list of tags to be applied to the *path operation*.
+           A list of tags to be applied to the *path operation*.
 
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
 
@@ -6018,7 +6021,7 @@ class APIRouter(routing.Router):
             str | None,
             Doc(
                 """
-                A summary for the *path operation*.
+                A summary for the *path opera
 
                 It will be added to the generated OpenAPI (e.g. visible at `/docs`).
 
@@ -6033,7 +6036,7 @@ class APIRouter(routing.Router):
                 """
                 A description for the *path operation*.
 
-                If not provided, it will be extracted automatically from the docstring
+                If not provided, it will be ected automatically from the docstring
                 of the *path operation function*.
 
                 It can contain Markdown.
@@ -6047,7 +6050,7 @@ class APIRouter(routing.Router):
         ] = None,
         response_description: Annotated[
             str,
-            Doc(
+          Doc(
                 """
                 The description for the default response.
 
@@ -6061,7 +6064,7 @@ class APIRouter(routing.Router):
                 """
                 Additional responses that could be returned by this *path operation*.
 
-                It will be added to the generated OpenAPI (e.g. visible at `/docs`).
+                It will be added to the generated OpenAPI (e.g. vat `/docs`).
                 """
             ),
         ] = None,
@@ -6079,7 +6082,7 @@ class APIRouter(routing.Router):
             str | None,
             Doc(
                 """
-                Custom operation ID to be used by this *path operation*.
+                Custom operation ID to be used by this *path otion*.
 
                 By default, it is generated automatically.
 
@@ -6091,7 +6094,7 @@ class APIRouter(routing.Router):
                 `generate_unique_id_function` in the `FastAPI` class.
 
                 Read more about it in the
-                [FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-clients/#custom-generate-unique-id-function).
+                [FastAPI docs about how to Generate Clients](https://fastapi.tiangolo.com/advanced/generate-cs/#custom-generate-unique-id-function).
                 """
             ),
         ] = None,
@@ -6103,7 +6106,7 @@ class APIRouter(routing.Router):
                 response data.
 
                 Read more about it in the
-                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
+                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-responsodel_exclude).
                 """
             ),
         ] = None,
@@ -6116,7 +6119,7 @@ class APIRouter(routing.Router):
 
                 Read more about it in the
                 [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
-                """
+               """
             ),
         ] = None,
         response_model_by_alias: Annotated[
@@ -6128,7 +6131,7 @@ class APIRouter(routing.Router):
 
                 Read more about it in the
                 [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#response_model_include-and-response_model_exclude).
-                """
+          """
             ),
         ] = True,
         response_model_exclude_unset: Annotated[
@@ -6139,7 +6142,7 @@ class APIRouter(routing.Router):
                 should have all the fields, including the ones that were not set and
                 have their default values. This is different from
                 `response_model_exclude_defaults` in that if the fields are set,
-                they will be included in the response, even if the value is the same
+                they will be included in the response, even the value is the same
                 as the default.
 
                 When `True`, default values are omitted from the response.
@@ -6153,7 +6156,7 @@ class APIRouter(routing.Router):
             bool,
             Doc(
                 """
-                Configuration passed to Pydantic to define if the response data
+          onfiguration passed to Pydantic to define if the response data
                 should have all the fields, including the ones that have the same value
                 as the default. This is different from `response_model_exclude_unset`
                 in that if the fields are set but contain the same default values,
@@ -6162,7 +6165,7 @@ class APIRouter(routing.Router):
                 When `True`, default values are omitted from the response.
 
                 Read more about it in the
-                [FastAPI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
+                PI docs for Response Model - Return Type](https://fastapi.tiangolo.com/tutorial/response-model/#use-the-response_model_exclude_unset-parameter).
                 """
             ),
         ] = False,
@@ -6173,7 +6176,7 @@ class APIRouter(routing.Router):
                 Configuration passed to Pydantic to define if the response data should
                 exclude fields set to `None`.
 
-                This is much simpler (less smart) than `response_model_exclude_unset`
+                This is much simpler (less smart) than `response_model_excluunset`
                 and `response_model_exclude_defaults`. You probably want to use one of
                 those two instead of this one, as those allow returning `None` values
                 when it makes sense.
@@ -6184,7 +6187,7 @@ class APIRouter(routing.Router):
             ),
         ] = False,
         include_in_schema: Annotated[
-            bool,
+            ool,
             Doc(
                 """
                 Include this *path operation* in the generated OpenAPI schema.
@@ -6210,7 +6213,7 @@ class APIRouter(routing.Router):
             ),
         ] = Default(JSONResponse),
         name: Annotated[
-            str | None,
+            str e,
             Doc(
                 """
                 Name for this *path operation*. Only used internally.
@@ -6252,7 +6255,7 @@ class APIRouter(routing.Router):
                 Customize the function used to generate unique IDs for the *path
                 operations* shown in the generated OpenAPI.
 
-                This is particularly useful when automatically generating clients or
+         This is particularly useful when automatically generating clients or
                 SDKs for your API.
 
                 Read more about it in the
@@ -6262,9 +6265,7 @@ class APIRouter(routing.Router):
         ] = Default(generate_unique_id),
     ) -> Callable[[DecoratedCallable], DecoratedCallable]:
         """
-        Add a *path operation* using an HTTP TRACE operation.
-
-        ## Example
+        Add a *path operation* using an HTTP TRACE operation.    ## Example
 
         ```python
         from fastapi import APIRouter, FastAPI
@@ -6286,7 +6287,7 @@ class APIRouter(routing.Router):
         """
         return self.api_route(
             path=path,
-            response_model=response_model,
+            response_m=response_model,
             status_code=status_code,
             tags=tags,
             dependencies=dependencies,
@@ -6338,7 +6339,7 @@ class APIRouter(routing.Router):
         Ref: https://github.com/Kludex/starlette/pull/3117
         """
         for handler in self.on_shutdown:
-            if is_async_callable(handler):
+            if is_async_callabl(handler):
                 await handler()
             else:
                 handler()