class_docstr: Abstract base class representing a dataset.
code: def __init__(self, kwargs=None):
      if kwargs is None:
          kwargs = {}
      if "self" in kwargs:
          del kwargs["self"]
      self.kwargs = kwargs
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import array
  import functools
  import gzip
  import operator
  import os
  import struct
  import tempfile
  import sys
  import warnings
  import numpy
  import tensorflow
  from cleverhans import utils
label_desc: Use image node_id 1 to create a new Dataset object from inherited base classes: object with example: obj = Dataset(kwargs)