fix(test_tutorial006.py): fix line breaks

tests/test_tutorial/test_extending_openapi/test_tutorial006.py

@@ -11,9 +11,11 @@ def test_swagger_ui():
     assert 'router="history"' in response.text
     assert 'layout="sidebar"' in response.text
     assert 'tryItCredentialPolicy="omit"' in response.text
-
+    
 
 def test_get_users():
     response = client.get("/users/foo")
     assert response.status_code == 200, response.text
     assert response.json() == {"message": "Hello foo"}
+
+