format change

code/app.py

@@ -242,9 +242,9 @@ async def post_signin(request: Request):
     user_details.metadata["last_login"] = current_datetime
     # if new user, set the number of tries
     if "tokens_left" not in user_details.metadata:
-        user_details.metadata[
-            "tokens_left"
-        ] = TOKENS_LEFT  # set the number of tokens left for the new user
+        user_details.metadata["tokens_left"] = (
+            TOKENS_LEFT  # set the number of tokens left for the new user
+        )
     if "all_time_tokens_allocated" not in user_details.metadata:
         user_details.metadata["all_time_tokens_allocated"] = ALL_TIME_TOKENS_ALLOCATED
     if "in_cooldown" not in user_details.metadata: