Update app.py

app.py

@@ -121,10 +121,14 @@ with gr.Blocks(css=CSS) as demo:
     clear.click(lambda: None, None, chatbot2, queue=False)
 
     submit_click_event = submit.click(
-        fn=user, inputs=[message, chat_history_state], outputs=[message, chat_history_state], queue=True
+        fn=user, inputs=[message, chat_history_state], outputs=[message, chat_history_state],
+        queue=True
     ).then(
-        [fn=chat, inputs=["Chatbot1", chat_history_state, system_msg, max_tokens, temperature, top_p, top_k, repetition_penalty], outputs=[chatbot1, chat_history_state, message], queue=True],
-        [fn=chat, inputs=["Chatbot2", chat_history_state, system_msg, max_tokens, temperature, top_p, top_k, repetition_penalty], outputs=[chatbot2, chat_history_state, message], queue=True]
+        fn=chat, inputs=["Chatbot1", chat_history_state, system_msg, max_tokens, temperature, top_p, top_k, repetition_penalty], outputs=['chatbot1', chat_history_state, message],
+        queue=True
+    ).then(
+        fn=chat, inputs=["Chatbot2", chat_history_state, system_msg, max_tokens, temperature, top_p, top_k, repetition_penalty], outputs=['chatbot2', chat_history_state, message],
+        queue=True
     )
     stop.click(fn=None, inputs=None, outputs=None, cancels=[submit_click_event], queue=False)