old_contents: """ JSON:API realization."""
  __version = (0, 5, 6)
  
  __version__ = version = '.'.join(map(str, __version))
  __project__ = PROJECT = __name__
  
new_contents: """ JSON:API realization."""
  __version = (0, 5, 7)
  
  __version__ = version = '.'.join(map(str, __version))
  __project__ = PROJECT = __name__
  
subject: update version