old_contents: # -*- coding: utf-8 -*-
  from __future__ import (absolute_import, division, print_function,
                          unicode_literals)
  
  __version__ = '0.5'
  __release__ = '0.5.1'
  
new_contents: # -*- coding: utf-8 -*-
  from __future__ import (absolute_import, division, print_function,
                          unicode_literals)
  
  __version__ = '0.5'
  __release__ = '0.5.2dev1'
  
subject: Bump version to 0.5.2dev1 after release