Update app.py

app.py

@@ -100,9 +100,9 @@ def main():
         submit_btn.click(add_text_to_chat_history, [chat_history, user_txt], [chat_history, user_txt]).then(show_history, [chat_history], [chatbot])\
                   .then(kadi_bot.handle_chat, [chat_history], [chatbot])        
         clear_btn.click(
-            reset_all, 
+            lambda: ([], [], ""),  
             None,  
-            [chat_history, chatbot, user_txt], 
+            [chat_history, chatbot, user_txt],  
             queue=False
         )
     demo.launch()