code: def __getattr__(self, item):
      if self._fields_to_idx is None or item not in self._fields_to_idx:
          raise AttributeError(item)
      return self[self._fields_to_idx[item]]
  
imports: import asyncio
  import atexit
  import concurrent.futures
  import queue
  import threading
  from typing import List
  from weakref import WeakKeyDictionary, ref
  from ...lib.aio import get_isolation
  from ...typing import SessionType, TileableType
  from ..mode import enter_mode
label_desc: Use image node_id 2 for calling the ExecutableTuple obj's underlying member method code with example usage: obj.__getattr__(item) and returns: self