model added

app.py

@@ -72,11 +72,11 @@ def getResponse(ints, intents_json):
 def chatbot_response(msg, history):
     history = history or []
     s = list(sum(history, ()))
-    s.append(input)
+    s.append(msg)
     inp = ' '.join(s)
     ints = predict_class(msg, model)
     res = getResponse(ints, intents)
-    history.append((input, res))
+    history.append((msg, res))
     return history, history