Update app.py

app.py

@@ -37,9 +37,13 @@ def submit_file(event):
         status.alert_type = "success"
         status.visible = True
     except Exception as e:
-        status.object = f"❌ Failed to upload: {e}"
-        status.alert_type = "danger"
+        import traceback
+        status.object += f"\n⚠️ Could not load leaderboard:\n```\n{traceback.format_exc()}\n```"
+        status.alert_type = "warning"
         status.visible = True
+        # status.object = f"❌ Failed to upload: {e}"
+        # status.alert_type = "danger"
+        # status.visible = True
         return
 
     # Refresh leaderboard