diff --git a/fastapi/_compat.py b/fastapi/_compat.py
index 1d13a0c80..9af0ffc38 100644
--- a/fastapi/_compat.py
+++ b/fastapi/_compat.py
@@ -274,8 +274,7 @@ if PYDANTIC_V2:
         *, fields: Sequence[ModelField], model_name: str
     ) -> Type[BaseModel]:
         field_params = {
-            f"{f.alias}": (f.field_info.annotation, f.field_info)
-            for f in fields
+            f"{f.alias}": (f.field_info.annotation, f.field_info) for f in fields
         }
         BodyModel: Type[BaseModel] = create_model(model_name, **field_params)  # type: ignore[call-overload]
         return BodyModel
diff --git a/tests/test_alias_and_validation_alias_in_form.py b/tests/test_alias_and_validation_alias_in_form.py
index b3c85d9de..17f02011a 100644
--- a/tests/test_alias_and_validation_alias_in_form.py
+++ b/tests/test_alias_and_validation_alias_in_form.py
@@ -1,6 +1,5 @@
-from starlette.testclient import TestClient
-
 from fastapi import FastAPI, Form
+from starlette.testclient import TestClient
 
 app: FastAPI = FastAPI()
 
@@ -9,6 +8,7 @@ app: FastAPI = FastAPI()
 async def check_alias(id_test: int = Form(alias="otherId")):
     return {"other_id": id_test}
 
+
 @app.post("/testing_validation_alias")
 async def check_validation_alias(id_test: int = Form(validation_alias="otherId")):
     return {"other_id": id_test}
@@ -22,11 +22,13 @@ def test_get_alias():
     assert response.status_code == 200
     assert response.json() == {"other_id": 1}
 
+
 def test_get_validation_alias():
     response = client.post("/testing_validation_alias", data={"otherId": "1"})
     assert response.status_code == 200
     assert response.json() == {"other_id": 1}
 
+
 def test_file_alias_schema():
     response = client.get("/openapi.json")
     assert response.status_code == 200, response.text
@@ -41,7 +43,7 @@ def test_file_alias_schema():
 
     assert (
         "otherId"
-        in schema["components"]["schemas"]["Body_check_validation_alias_testing_validation_alias_post"][
-            "properties"
-        ]
+        in schema["components"]["schemas"][
+            "Body_check_validation_alias_testing_validation_alias_post"
+        ]["properties"]
     )