code: def reset(self):
      self.count = 0
      random.shuffle(self.filenames)
  
imports: import os
  import random
  import tarfile
  import logging
  import tarfile
  import mxnet
  from mxnet.test_utils import get_cifar10
  from mxnet.gluon.data.vision import ImageFolderDataset
  from mxnet.gluon.data import DataLoader
  from mxnet.contrib.io import DataLoaderIter
label_desc: Use image node_id 3 for calling the ImagePairIter obj's underlying member method code with example usage: obj.reset() without return types