Update app.py

app.py

@@ -140,7 +140,7 @@ with container:
               for key, value in output.items():
                   st.session_state['messages'].append({"role": "assistant", "content": value})
                   st.session_state['past'].append(user_input)
-                  st.session_state['generated'].append(value)
+                  st.session_state['generated'].append(value.content)
 
 if st.session_state['generated']:
     with response_container: