Update app.py

app.py

@@ -405,7 +405,7 @@ elif selected == "Chat":
                     st.session_state.messages.append({"message": response, "is_user": False})
 
                     # Rerun to refresh the UI with new messages
-                    st.experimental_rerun()
+                    st.rerun()
                 else:
                     st.warning("Please enter a message.")