Update app.py

app.py

@@ -90,7 +90,7 @@ def main():
                     )
         
         # Use the state to persist chat history between interactions
-        submit_btn.click(add_text_to_chatbot, [chat_history, user_txt], [chatbot, user_txt])\
+        submit_btn.click(add_text_to_chatbot, [chat_history, user_txt], [chat_history, user_txt])\
                   .then(bot_kadi, [chat_history], [chatbot])
         
         clear_btn.click(lambda: ([], ""), None, [chat_history, chatbot, user_txt])