class_docstr: Abstract class for cifar readers
class_docstr_tok: ["Abstract","class","for","cifar","readers"]
code: def data_shape(self):
      return 32, 32, 3
  
imports: import tempfile
  import os
  import pickle
  import random
  import numpy
  from ..data_providers.base_provider import ImagesDataSet, DataProvider
  from ..data_providers.downloader import download_data_url
label_desc: Use image node_id 4 for calling the CifarDataProvider obj's underlying member method code with example usage: obj.data_shape() and returns: int,  int,  int