code: def close(self):
      self._reader.close()
      self._writer.close()
  
imports: import os
  import sys
  import errno
  import weakref
  import threading
  from multiprocessing import util
  from multiprocessing.queues import Full, Queue, SimpleQueue, _sentinel
  from multiprocessing.context import assert_spawning
  from .reduction import dumps
label_desc: Use image node_id 2 for calling the SimpleQueue obj's underlying member method code with example usage: obj.close() without return types