Update app.py

app.py

@@ -19,5 +19,5 @@ def predict(input, history=[]):
     response = [(response[i], response[i + 1]) for i in range(0,len(response) - 1, 2)]  
     # convert to tuples of list    
     # print('response-->>'+str(response))    
-    return response, historygr
+    return response, history
 gradio.Interface(fn=predict,title=title,description=description,examples=examples,inputs=["text", "state"],outputs=["chatbot", "state"],theme="finlaymacklon/boxy_violet",).launch()