code: def __init__(
      self,
      symbol,
      data_names,
      label_names,
      logger=logging,
      context=ctx.cpu(),
      work_load_list=None,
      asymbol=None,
      args=None,
  ):
      super(ParallModule, self).__init__(logger=logger)
      self._symbol = symbol
      self._asymbol = asymbol
      self._data_names = data_names
      self._label_names = label_names
      self._context = context
      self._work_load_list = work_load_list
      self._num_classes = config.num_classes
      self._batch_size = args.batch_size
      self._verbose = args.verbose
      self._emb_size = config.emb_size
      self._local_class_start = args.local_class_start
      self._iter = 0
  
      self._curr_module = None
  
      self._num_workers = config.num_workers
      self._num_ctx = len(self._context)
      self._ctx_num_classes = args.ctx_num_classes
      self._nd_cache = {}
      self._ctx_cpu = mx.cpu()
      self._ctx_single_gpu = self._context[-1]
      self._fixed_param_names = None
      self._curr_module = Module(
          self._symbol,
          self._data_names,
          self._label_names,
          logger=self.logger,
          context=self._context,
          work_load_list=self._work_load_list,
          fixed_param_names=self._fixed_param_names,
      )
      self._arcface_modules = []
      self._ctx_class_start = []
      for i in range(len(self._context)):
          args._ctxid = i
          _module = Module(
              self._asymbol(args),
              self._data_names,
              self._label_names,
              logger=self.logger,
              context=mx.gpu(i),
              work_load_list=self._work_load_list,
              fixed_param_names=self._fixed_param_names,
          )
          self._arcface_modules.append(_module)
          _c = args.local_class_start + i * args.ctx_num_classes
          self._ctx_class_start.append(_c)
      self._usekv = False
      if self._usekv:
          self._distkv = mx.kvstore.create("dist_sync")
          self._kvinit = {}
  
imports: import logging
  import copy
  import time
  import os
  import mxnet
  import numpy
  from mxnet import context
  from mxnet.initializer import Uniform
  from mxnet.module.base_module import BaseModule
  from mxnet.module.module import Module
  from mxnet import metric
  from mxnet.model import BatchEndParam
  from mxnet import io
  import mxnet.ndarray
  from config import config
label_desc: Use image node_id 1 to create a new ParallModule object from inherited base classes: BaseModule with example: obj = ParallModule(symbol, data_names, label_names, logger, context, work_load_list, asymbol, args)