diff --git a/tests/test_tutorial/test_behind_a_proxy/test_tutorial001.py b/tests/test_tutorial/test_behind_a_proxy/test_tutorial001.py
index 0f7f44f35e..bc1a95b713 100644
--- a/tests/test_tutorial/test_behind_a_proxy/test_tutorial001.py
+++ b/tests/test_tutorial/test_behind_a_proxy/test_tutorial001.py
@@ -12,7 +12,7 @@ def test_main():
     assert response.json() == {
         "message": "Hello World",
         "path": "/api/v1/app",
-        "root_path": "/api/v1"
+        "root_path": "/api/v1",
     }