class_docstr: Flickr30k data set from http://cs.stanford.edu/people/karpathy/cvpr2015.pdf
code: def __init__(self, path=".", max_images=-1):
      url = "https://s3-us-west-1.amazonaws.com/neon-stockdatasets/image-caption"
      super(Flickr30k, self).__init__(
          "flickr30k.zip", url, 49165563, path=path
      )
      self.max_images = max_images
  
imports: from collections import Counter
  import numpy
  import os
  from neon import logger
  from neon.data.dataiterator import NervanaDataIterator
  from neon.data.datasets import Dataset
  from neon.util.compat import xrange
label_desc: Use image node_id 1 to create a new Flickr30k object from inherited base classes: Dataset with example: obj = Flickr30k(path, max_images)