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

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

oauthenticator/oauth2.py

@@ -770,7 +770,9 @@ def user_info_to_username(self, user_info):
         """
         username = user_info.get(self.username_claim, None)
         if not username:
-            message = (f"No {self.username_claim} found in {user_info}. Maybe the hub needs to be configured to request more scopes?",)
+            message = (
+                f"No {self.username_claim} found in {user_info}. Maybe the hub needs to be configured to request more scopes?",
+            )
             self.log.error(message)
             raise ValueError(message)