old_contents: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  
  __version__ = "0.1"
  
  from .db import Database  # noqa
  from .models import Model  # noqa
  
new_contents: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  
  __version__ = "0.2-dev"
  
  from .db import Database  # noqa
  from .models import Model  # noqa
  
subject: prepare next development phase