correct retry defect

app.py

@@ -930,7 +930,8 @@ with gr.Blocks() as demo:
             logs = gr.Textbox(max_lines = 25)
     # upload_button.upload(func_upload_file, [upload_button, main.chatbot], main.chatbot)
     clear_button.click(clearall, None, [chatbot, submit_button, stop_button], voice_output)
-    retry_button.click(retry, chatbot, chatbot).then(HMI_Wait, None, [submit_button, stop_button])
+    retry_button.click(retry, chatbot, chatbot).success(playsound, None, voice_output).\
+        success(HMI_Wait, None, [submit_button, stop_button])
     # inf1 = inputtext.submit(chathmi3, [inputtext, chatbot], [inputtext, chatbot]).\
     #     then(playsound, None, voice_output)
     # inf1 = inputtext.submit(chathmi3, [inputtext, chatbot], [inputtext, chatbot]).\