code: def _finalize_close(buffer, notempty):
      debug("telling queue thread to quit")
      with notempty:
          buffer.append(_sentinel)
          notempty.notify()
  
imports: import sys
  import os
  import threading
  import collections
  import time
  import types
  import weakref
  import errno
  from queue import Empty, Full
  import _multiprocessing
  from .None import connection
  from .None import context
  from .util import debug, info, Finalize, register_after_fork, is_exiting
label_desc: Use image node_id 19 for calling the Queue obj's underlying member method code with example usage: obj._finalize_close(buffer, notempty) without return types