Update app.py

app.py

@@ -108,7 +108,8 @@ if st.session_state.logged_in:
         You will then make a suggestion of what type of GPU or instance is the best for the user.
         """}
         )
-        bot.history += st.session_state.messages.copy() # Update (append) history from messages
+        current_content = bot.history
+        bot.history = current_content + st.session_state.messages.copy() # Update (append) history from messages
         # bot.history = st.session_state.messages.copy()  # Update history from messages
         response = bot.generate_response(prompt)