fmt

fastapi/dependencies/utils.py

@@ -640,7 +640,10 @@ async def solve_dependencies(
         )
     return values, errors, background_tasks, response, dependency_cache
 
-class Marker: pass
+
+class Marker:
+    pass
+
 
 def request_params_to_args(
     required_params: Sequence[ModelField],
@@ -680,10 +683,10 @@ def request_params_to_args(
         if isinstance(errors_, ErrorWrapper):
             errors.append(errors_)
         elif (
-                isinstance(errors_, list)
-                and is_scalar_sequence_mapping_field(field)
-                and isinstance(received_params, QueryParams)
-            ):
+            isinstance(errors_, list)
+            and is_scalar_sequence_mapping_field(field)
+            and isinstance(received_params, QueryParams)
+        ):
             new_errors = _regenerate_error_with_loc(errors=errors_, loc_prefix=())
             # remove all invalid parameters
             marker = Marker()
@@ -693,9 +696,9 @@ def request_params_to_args(
                 value[key] = [x for x in value[key] if x != marker]
             values[field.name] = value
         elif (
-                isinstance(errors_, list)
-                and is_scalar_mapping_field(field)
-                and isinstance(received_params, QueryParams)
+            isinstance(errors_, list)
+            and is_scalar_mapping_field(field)
+            and isinstance(received_params, QueryParams)
         ):
             new_errors = _regenerate_error_with_loc(errors=errors_, loc_prefix=())
             # remove all invalid parameters

tests/main.py

@@ -5,6 +5,7 @@ from fastapi import FastAPI, Path, Query
 
 app = FastAPI()
 
+
 @app.api_route("/api_route")
 def non_operation():
     return {"message": "Hello World"}

tests/test_query.py

@@ -425,7 +425,10 @@ def test_mapping_with_non_mapping_query():
 def test_mapping_with_non_mapping_query_mixed_types():
     response = client.get("/query/mixed-type-params/?foo=fuzz&foo=baz&bar=buzz&query=1")
     assert response.status_code == 200
-    assert response.json() == "foo bar 1 {'foo': 'baz', 'bar': 'buzz', 'query': '1'}  {'query': '1'} {'foo': [], 'bar': [], 'query': ['1']}"
+    assert (
+        response.json()
+        == "foo bar 1 {'foo': 'baz', 'bar': 'buzz', 'query': '1'}  {'query': '1'} {'foo': [], 'bar': [], 'query': ['1']}"
+    )
 
 
 def test_sequence_mapping_query():