diff --git a/tests/test_tutorial/test_security/test_tutorial009.py b/tests/test_tutorial/test_security/test_tutorial009.py
index a2c11c82b..d9dba2748 100644
--- a/tests/test_tutorial/test_security/test_tutorial009.py
+++ b/tests/test_tutorial/test_security/test_tutorial009.py
@@ -40,14 +40,14 @@ def test_openapi_schema():
 
 
 def test_security_api_key():
-    client.cookies={"key": "secret"}
-    response = client.get("/users/me") #, cookies={"key": "secret"})
+    client.cookies = {"key": "secret"}
+    response = client.get("/users/me")  # , cookies={"key": "secret"})
     assert response.status_code == 200, response.text
     assert response.json() == {"username": "secret"}
 
 
 def test_security_api_key_no_key():
-    client.cookies=None
+    client.cookies = None
     response = client.get("/users/me")
     assert response.status_code == 403, response.text
     assert response.json() == {"detail": "Not authenticated"}