code: def __call__(self, *args, **kwargs):
      os.environ["MARS_CONTAINER_IP"] = self.get_container_ip()
      return super().__call__(*args, **kwargs)
  
file_path: mars/mars/deploy/yarn/worker.py
imports: import os
  from ..oscar.worker import WorkerCommandRunner
  from .config import MarsWorkerConfig
  from .core import YarnServiceMixin
label_desc: Use image node_id 1 for calling the YarnWorkerCommandRunner obj's underlying member method code with example usage: obj.__call__() and returns: super