old_contents: # -*- coding: utf-8 -*-
  """ chrso - the leanest (perhaps), meanest (if you look at it right)
      URL shortener written with Flask in the entire world (maybe...).
  """
  mongo = {"host": None, "port": None}
new_contents: # -*- coding: utf-8 -*-
  """ chrso - the leanest (perhaps), meanest (if you look at it right)
      URL shortener written with Flask in the entire world (maybe...).
  """
  __version__ = "3.0a1"
  mongo = {"host": None, "port": None}
  
subject: Add __version__ to init.