Update miniapp_leaderboard.py

miniapp_leaderboard.py

@@ -114,8 +114,8 @@ def submit(model_name, model_family, zip_file, profile: gr.OAuthProfile):
     api = _api()
     day = _today_utc()
 
-    # if _already_submitted_today(api, day, username):
-    #     return f"Limit: you can only submit once per day. (user={username}, day={day})", refresh()
+    if _already_submitted_today(api, day, username):
+        return f"Limit: you can only submit once per day. (user={username}, day={day})", refresh()
 
     now = datetime.datetime.utcnow().isoformat() + "Z"
     safe_model = _slug(model_name)