code: def __init__(self, *args, **kwargs):
      super().__init__(*args, **kwargs)
      self._node_info_ref = None
  
file_path: mars/mars/services/cluster/worker/locator.py
imports: import logging
  from typing import List
  from ....None import oscar
  from ..core import NodeRole, NodeStatus
  from ..locator import SupervisorLocatorActor
label_desc: Use image node_id 1 to create a new WorkerSupervisorLocatorActor object from inherited base classes: SupervisorLocatorActor with example: obj = WorkerSupervisorLocatorActor()