class_docstr: A helper class for :class:`SliceableDataset`.
class_docstr_tok: ["A","helper","class","for",":","class",":","`","SliceableDataset","`","."]
code: def __init__(self, dataset):
      self._dataset = dataset
  
imports: import numbers
  import numpy
  import six
  import chainer
label_desc: Use image node_id 1 to create a new SliceHelper object from inherited base classes: object with example: obj = SliceHelper(dataset)