code: def _teardown(pipes, processes, i):
      """Close pipes and terminate processes.
  
      Parameters
      ----------
          pipes : {list of :class:`multiprocessing.Pipe`}
              list of pipes that the processes use to communicate with the parent
          processes : {list of :class:`multiprocessing.Process`}
              list of worker processes
      """
      for parent_conn, child_conn in pipes:
          child_conn.close()
          parent_conn.close()
  
      for process in processes:
          if process.is_alive():
              process.terminate()
          del process
  
imports: import logging
  import os
  from multiprocessing import Process, Pipe, ProcessError
  import importlib
  from typing import Set, Optional, List
  import numpy
  from scipy.spatial.distance import cosine
  from dataclasses import dataclass
  from gensim import utils
  from gensim.models import ldamodel, ldamulticore, basemodel
  from gensim.utils import SaveLoad
label_desc: Use image node_id 6 for calling a global function with example usage: _teardown(pipes, processes, i) without return types