code: def __init__(self):
      super().__init__()
      self._closed = False
  
imports: from typing import BinaryIO, List, Optional, Tuple, Type
  from types import TracebackType
  import abc
  import io
  import os
  import sys
  from concurrent.futures import ThreadPoolExecutor
  import janus
  from hailtop.utils import blocking_to_async
  from .exceptions import UnexpectedEOFError
label_desc: Use image node_id 1 to create a new _Closable object  with example: obj = _Closable()