old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  import sasila.settings
  
  __version__ = '0.0.7'
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  import sasila.settings
  
  __version__ = '0.0.9'
  
subject: support python 3.X