code: def _test():
      s = Service()
      print(s)
  
file_path: labml/client/labml/internal/computer/service.py
imports: import os
  import sys
  from typing import Optional
  from labml import logger, monit
  from labml.logger import Text
label_desc: Use image node_id 2 for calling a global function with example usage: _test() without return types