code: def __getattr__(self, item):
      return getattr(self._storage_api, item)
  
file_path: mars/mars/services/subtask/worker/tests/subtask_processor.py
imports: from typing import Any, Dict
  from .....core import OperandType
  from .....tests.core import _check_args, ObjectCheckMixin
  from ...worker.processor import SubtaskProcessor
label_desc: Use image node_id 2 for calling the CheckStorageAPI obj's underlying member method code with example usage: obj.__getattr__(item) and returns: getattr