Update app.py

app.py

@@ -135,12 +135,12 @@ with gr.Blocks(css=custom_css) as demo:
                 chat_history.append((previous_message, bot_message))
                 return history, update_history(chat_history)
 
-            submit_button.click(user, [msg, chatbot], [msg, chatbot], queue=False).then(
-                bot, [chatbot, history], [chatbot, history]
+            submit_button.click(fn=user, inputs=[msg, chatbot], outputs=[msg, chatbot], queue=False).then(
+                fn=bot, inputs=[chatbot], outputs=[chatbot, history]
             )
-            msg.submit(user, [msg, chatbot], [msg, chatbot], queue=False).then(
-                bot, [chatbot, history], [chatbot, history]
+            msg.submit(fn=user, inputs=[msg, chatbot], outputs=[msg, chatbot], queue=False).then(
+                fn=bot, inputs=[chatbot], outputs=[chatbot, history]
             )
-            clear.click(lambda: None, None, chatbot, queue=False)
+            clear.click(fn=lambda: None, inputs=None, outputs=chatbot, queue=False)
 
 demo.launch(share=True)