Update app.py

app.py

@@ -252,7 +252,7 @@ async def predict_signal(symbol, timeframe="1h"):
                 "xgb": round(time_prob, 3), 
                 "rf": round(ml_prob, 3), 
                 "lstm": round(lstm_prob, 3), 
-                "sent": round(p_sent, 3)
+                "sent": round(float(p_sent, 3)
             },
             "weights": {
                 "w_xgb": round(wt, 2),