Update app.py

app.py

@@ -11,11 +11,11 @@ labels = learner.dls.vocab
 def predict(text):
     pred, pred_idx, probs = learner.predict(text)
     if(pred[0]==0):
-        return negative
+        return "negative"
     elif(pred[0]==1):
-        return neutral
+        return "neutral"
     else:
-        return positive
+        return "positive"