Update app.py

app.py

@@ -75,7 +75,7 @@ if input_text := st.chat_input(placeholder="Here you can chat with our hotel boo
     st.session_state.chat_history.append({"role" : "human", "content" : input_text}) #append message to chat history
 
     with st.spinner("Generating response..."):
-        first_answer = demo_chat.demo_chain(input_text = input_text, history = st.session_state.memory)
+        first_answer = demo_chat.demo_chain(input_text = input_text, history = st.session_state.chat_history)
         
         with st.chat_message("assistant"):
             st.markdown(first_answer)