class_docstr: OneHot will convert `index` into a onehot vector.
code: def __init__(self, dataloader, index, nclasses, *args, **kwargs):
      super(PixelWiseOneHot, self).__init__(
          dataloader, index, *args, **kwargs
      )
  
      self.output = None
      self.nclasses = nclasses
  
imports: from __future__ import division
  import numpy
  from neon import NervanaObject
label_desc: Use image node_id 1 to create a new PixelWiseOneHot object from inherited base classes: DataLoaderTransformer with example: obj = PixelWiseOneHot(dataloader, index, nclasses)