class_docstr: Abstract class for data iterators.
  
  For serialization, any data iterator should inherit from this class
docstr: Reset the starting index of this dataset back to zero.
docstr_tok: ["Reset","the","starting","index","of","this","dataset","back","to","zero","."]
code: def reset(self):
      """
      Reset the starting index of this dataset back to zero.
      """
      raise NotImplemented()
  
file_path: neon/neon/data/dataiterator.py
imports: from builtins import zip
  import numpy
  from neon import NervanaObject
label_desc: Use image node_id 3 for calling the NervanaDataIterator obj's underlying member method code with example usage: obj.reset() without return types