class_docstr: The iterator for tokenstreams.  Iterate over the stream
  until the eof token is reached.
class_docstr_tok: ["The","iterator","for","tokenstreams",".","Iterate","over","the","stream","until","the","eof","token","is","reached","."]
code: def __iter__(self):
      return self
  
imports: import re
  from ast import literal_eval
  from collections import deque
  from operator import itemgetter
  from ._compat import implements_iterator
  from ._compat import intern
  from ._compat import iteritems
  from ._compat import text_type
  from .exceptions import TemplateSyntaxError
  from .utils import LRUCache
label_desc: Use image node_id 2 for calling the TokenStreamIterator obj's underlying member method code with example usage: obj.__iter__() and returns: self