code: def ver_test(self, num_update):
      results = []
      for i in range(len(self.ver_list)):
          (
              acc1,
              std1,
              acc2,
              std2,
              xnorm,
              embeddings_list,
          ) = verification.test(
              self.ver_list[i], self.model, 10, 10, None, None
          )
          logging.info(
              "[%s][%d]XNorm: %f"
              % (self.ver_name_list[i], num_update, xnorm)
          )
          logging.info(
              "[%s][%d]Accuracy-Flip: %1.5f+-%1.5f"
              % (self.ver_name_list[i], num_update, acc2, std2)
          )
          if acc2 > self.highest_acc_list[i]:
              self.highest_acc_list[i] = acc2
          logging.info(
              "[%s][%d]Accuracy-Highest: %1.5f"
              % (
                  self.ver_name_list[i],
                  num_update,
                  self.highest_acc_list[i],
              )
          )
          results.append(acc2)
  
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 2 for calling the CallBackVertification obj's underlying member method code with example usage: obj.ver_test(num_update) without return types