Update app.py

app.py

@@ -138,7 +138,7 @@ def update_leaderboard_dataset_parallel(hivex_env, path):
             return None
         user_id = model_id.split("/")[0]
         row = {}
-        row["Verified"] = ✅ if user_id in verified_users else ❌
+        row["Verified"] = "✅" if user_id in verified_users else "❌"
         row["User"] = user_id
         row["Model"] = model_id
         results = meta["model-index"][0]["results"][0]