[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

oauthenticator/tests/test_cilogon.py

@@ -100,6 +100,7 @@ async def test_cilogon(
     else:
         assert auth_model == None
 
+
 async def test_username_claim_callable(
     cilogon_client,
 ):
@@ -114,7 +115,6 @@ async def test_username_claim_callable(
         },
     }
 
-
     authenticator = CILogonOAuthenticator(config=c)
 
     handled_user_model = user_model("user1", "username")