diff --git a/docs_src/app_testing/tutorial003_py310.py b/docs_src/app_testing/tutorial003_py310.py
index 45f6f678c6..07bf7f2367 100644
--- a/docs_src/app_testing/tutorial003_py310.py
+++ b/docs_src/app_testing/tutorial003_py310.py
@@ -25,4 +25,4 @@ def test_read_items():
     with TestClient(app) as client:
         response = client.get("/items/foo")
         assert response.status_code == 200
-        assert response.json() == {"name": "Fighters"}
\ No newline at end of file
+        assert response.json() == {"name": "Fighters"}