code: def __init__(self, arg):
      super().__init__()
      self._arg = arg
  
file_path: mars/mars/services/tests/test_svcs/test_svc1/supervisor.py
imports: from .....None import oscar
  from ....core import AbstractService
label_desc: Use image node_id 1 to create a new SvcActor1 object from inherited base classes: mo with example: obj = SvcActor1(arg)