code: def __init__(self, q: janus.Queue, size_hint: int):
      super().__init__()
      self._q = q
      self._closed = False
      self._size_hint = size_hint
  
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 BlockingCollect object from inherited base classes: _Closable with example: obj = BlockingCollect(q, size_hint)