old_contents: from .difflib2 import *
  
new_contents: # -*- coding: utf-8 -*-
  
  from .difflib2 import *
  
  __author__ = 'Matthias Bussonnier'
  __email__ = 'bussonniermatthias@gmail.com'
  __version__ = '0.1.0'
  
subject: update __init__ in order to build doc