class_docstr: Abstract base class from which all Tokenizer classes inherit.
  Descendant classes must implement a ``tokenize(text)`` method
  that returns a list of noun phrases as strings.
docstr: Return a generator that generates tokens "on-demand".
  
  .. versionadded:: 0.6.0
  
  :rtype: generator
docstr_tok: ["Return","a","generator","that","generates","tokens","``","on-demand","''",".","..","versionadded",":",":","0.6.0",":","rtype",":","generator"]
code: def itokenize(self, text, *args, **kwargs):
      """Return a generator that generates tokens "on-demand".
  
      .. versionadded:: 0.6.0
  
      :rtype: generator
      """
      return (t for t in self.tokenize(text, *args, **kwargs))
  
imports: from __future__ import absolute_import
  from abc import ABCMeta, abstractmethod
  import nltk
  from textblob.compat import with_metaclass
label_desc: Use image node_id 2 for calling the BaseTokenizer obj's underlying member method code with example usage: obj.itokenize(text) and returns: unknown