old_contents: #! /usr/bin/env python
  # -*- coding: utf-8 -*-
  
  __version__ = "0.1.0"
  __all__ = ["mdcorpus", "parser"]
  
  from storm.locals import *
  from mdcorpus import *
  
  # initializing the relationships
  MovieTitlesMetadata.genres = ReferenceSet(MovieTitlesMetadata.id,
                                            MovieGenreLine.movie_id,
                                            MovieGenreLine.genre_id,
                                            Genre.id)
  
  Genre.movies = ReferenceSet(Genre.id,
                              MovieGenreLine.genre_id,
                              MovieGenreLine.movie_id,
                              MovieTitlesMetadata.id)
  
new_contents: #! /usr/bin/env python
  # -*- coding: utf-8 -*-
  
  __version__ = "0.0.1"
  __all__ = ["mdcorpus", "parser"]
  
  from storm.locals import *
  from mdcorpus import *
  
  # initializing the relationships
  MovieTitlesMetadata.genres = ReferenceSet(MovieTitlesMetadata.id,
                                            MovieGenreLine.movie_id,
                                            MovieGenreLine.genre_id,
                                            Genre.id)
  
  Genre.movies = ReferenceSet(Genre.id,
                              MovieGenreLine.genre_id,
                              MovieGenreLine.movie_id,
                              MovieTitlesMetadata.id)
  
subject: modify version