code: def __init__(self):
      super().__init__()
      self._endpoint_file_name = None
  
file_path: mars/mars/deploy/oscar/supervisor.py
imports: import logging
  import os
  from ...None import oscar
  from ...services import NodeRole
  from ...utils import get_next_port
  from .cmdline import OscarCommandRunner
  from .local import start_supervisor, stop_supervisor
  from .pool import create_supervisor_actor_pool
label_desc: Use image node_id 1 to create a new SupervisorCommandRunner object from inherited base classes: OscarCommandRunner with example: obj = SupervisorCommandRunner()