diff --git a/tests/test_tutorial/test_cookie_params/__init__.py b/tests/test_tutorial/test_cookie_params/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/tests/test_tutorial/test_cookie_params/test_tutorial001.py b/tests/test_tutorial/test_cookie_params/test_tutorial001.py
index fdc4059ee..90b828ba4 100644
--- a/tests/test_tutorial/test_cookie_params/test_tutorial001.py
+++ b/tests/test_tutorial/test_cookie_params/test_tutorial001.py
@@ -83,7 +83,12 @@ openapi_schema = {
         ("/openapi.json", None, 200, openapi_schema),
         ("/items", None, 200, {"ads_id": None}),
         ("/items", {"ads_id": "ads_track"}, 200, {"ads_id": "ads_track"}),
-        ("/items", {"ads_id": "ads_track", "session": "cookiesession"}, 200, {"ads_id": "ads_track"}),
+        (
+            "/items",
+            {"ads_id": "ads_track", "session": "cookiesession"},
+            200,
+            {"ads_id": "ads_track"},
+        ),
         ("/items", {"session": "cookiesession"}, 200, {"ads_id": None}),
     ],
 )