code: def __init__(self, symbol, model):
      self.verbose = config.verbose
      self.symbol = symbol
      self.highest_acc = 0.0
      self.highest_acc_list = [0.0] * len(config.val_targets)
      self.model = model
      self.ver_list = []
      self.ver_name_list = []
      self.init_dataset(
          val_targets=config.val_targets,
          data_dir=os.path.dirname(config.rec),
          image_size=(config.image_size, config.image_size),
      )
  
imports: import logging
  import os
  import sys
  import time
  import horovod.mxnet
  import mxnet
  from mxboard import SummaryWriter
  from mxnet import nd
  from default import config
  from evaluation import verification
label_desc: Use image node_id 1 to create a new CallBackVertification object from inherited base classes: object with example: obj = CallBackVertification(symbol, model)