class_docstr: Produces [image, label] in Cifar10/100 dataset,
  image is 32x32x3 in the range [0,255].
  label is an int.
docstr: Returns:
      [str]: name of each class.
docstr_tok: ["Returns",":","[","str","]",":","name","of","each","class","."]
code: def get_label_names(self):
      """
      Returns:
          [str]: name of each class.
      """
      return self._label_names
  
imports: import numpy
  import os
  import pickle
  import tarfile
  from ...utils import logger
  from ...utils.fs import download, get_dataset_path
  from ..base import RNGDataFlow
label_desc: Use image node_id 5 for calling the CifarBase obj's underlying member method code with example usage: obj.get_label_names() and returns: self