code: def run(self):
      pass
  
imports: import time
  import uuid
  from unittest import mock
  from unittest.mock import patch
  import pytest
  from fastapi import HTTPException
  from lightning.app import CloudCompute, LightningWork
  from lightning.app.components import AutoScaler, ColdStartProxy, Text
  from lightning.app.components.serve.auto_scaler import _LoadBalancer
label_desc: Use image node_id 1 for calling the EmptyWork obj's underlying member method code with example usage: obj.run() without return types