code: def _finish(self):
      if self.is_initialized:
          for proc in self._processes:
              if proc.is_alive():
                  proc.terminate()
          self._queue.close()
          self._queue.join_thread()
          del self._queue
          del self._processes
  
file_path: PaddleSeg/contrib/MedicalSeg/nnunet/transforms/multi_threaded_augmenter.py
imports: import sys
  import paddle
  import traceback
  from multiprocessing import Event, Queue, Process
  from time import sleep
  from threadpoolctl import threadpool_limits
label_desc: Use image node_id 6 for calling the MultiThreadedAugmenter obj's underlying member method code with example usage: obj._finish() without return types