remove unused parameter

litestar/handlers/asgi_handlers.py

@@ -11,7 +11,7 @@
 
 
 if TYPE_CHECKING:
-    from litestar import Litestar, Router
+    from litestar import Router
     from litestar.connection import ASGIConnection
     from litestar.types import (
         AsyncAnyCallable,
@@ -79,9 +79,9 @@ def _get_merge_opts(self, others: tuple[Router, ...]) -> dict[str, Any]:
         merge_opts["is_mount"] = self.is_mount
         return merge_opts
 
-    def _validate_handler_function(self, app: Litestar | None = None) -> None:
+    def _validate_handler_function(self) -> None:
         """Validate the route handler function once it's set by inspecting its return annotations."""
-        super()._validate_handler_function(app=app)
+        super()._validate_handler_function()
 
         if not self.parsed_fn_signature.return_type.is_subclass_of(NoneType):
             raise ImproperlyConfiguredException("ASGI handler functions should return 'None'")

litestar/handlers/base.py

@@ -509,10 +509,10 @@ def on_registration(self, route: BaseRoute, app: Litestar) -> None:
         self._dto = self._resolve_data_dto(app=app)
         self._return_dto = self._resolve_return_dto(app=app, data_dto=self._dto)
 
-        self._validate_handler_function(app=app)
+        self._validate_handler_function()
         self._finalize_dependencies(app=app)
 
-    def _validate_handler_function(self, app: Litestar | None = None) -> None:
+    def _validate_handler_function(self) -> None:
         """Validate the route handler function once set by inspecting its return annotations."""
         if self.parsed_data_field is not None and self.parsed_data_field.is_subclass_of(DTOData) and not self.data_dto:
             raise ImproperlyConfiguredException(

litestar/handlers/http_handlers/base.py

@@ -550,9 +550,9 @@ def _get_kwargs_model_for_route(self, path_parameters: Iterable[str]) -> KwargsM
             model = self._kwargs_models[key] = self._create_kwargs_model(path_parameters)
         return model
 
-    def _validate_handler_function(self, app: Litestar | None = None) -> None:
+    def _validate_handler_function(self) -> None:
         """Validate the route handler function once it is set by inspecting its return annotations."""
-        super()._validate_handler_function(app=app)
+        super()._validate_handler_function()
 
         return_type = self.parsed_fn_signature.return_type
 

litestar/handlers/websocket_handlers/listener.py

@@ -273,7 +273,7 @@ def _prepare_fn(self) -> ListenerHandler:
             listener=self, fn=self.fn, parsed_signature=parsed_signature, namespace=self.signature_namespace
         )
 
-    def _validate_handler_function(self, app: Litestar | None = None) -> None:
+    def _validate_handler_function(self) -> None:
         """Validate the route handler function once it's set by inspecting its return annotations."""
         # validation occurs in the call method
 

litestar/handlers/websocket_handlers/route_handler.py

@@ -100,9 +100,9 @@ def resolve_websocket_class(self) -> type[WebSocket]:
     def websocket_class(self) -> type[WebSocket]:
         return self._websocket_class or WebSocket
 
-    def _validate_handler_function(self, app: Litestar | None = None) -> None:
+    def _validate_handler_function(self) -> None:
         """Validate the route handler function once it's set by inspecting its return annotations."""
-        super()._validate_handler_function(app=app)
+        super()._validate_handler_function()
 
         if not self.parsed_fn_signature.return_type.is_subclass_of(NoneType):
             raise ImproperlyConfiguredException(f"{self}: WebSocket handlers must return 'None'")