Update app.py

app.py

@@ -69,7 +69,7 @@ print(response['answer'])
 def chat_with_ai(user_input, chat_history):
     response = conversational_chain.invoke({"question":user_input})
 
-    chat_history.append((user_input, str(response)))
+    chat_history.append((user_input, str(response['answer'])))
 
     return chat_history, ""