docstr: Python 2 Compatibility 
docstr_tok: ["Python","2","Compatibility"]
code: def next(self):
      """Python 2 Compatibility"""
      return self.__next__()
  
imports: import sys
  import contextlib
  import functools
  import re
  import os
  from jedi._compatibility import reraise
label_desc: Use image node_id 4 for calling the PushBackIterator obj's underlying member method code with example usage: obj.next() and returns: self