old_contents: from __future__ import absolute_import, division, print_function
  from .store import Store, Entry
  
  __version__ = "0.9.0"
  
new_contents: from __future__ import absolute_import, division, print_function
  from .store import Store, Entry
  
  __version__ = "0.9.1dev0"
  
subject: fix version number (0.9.1dev0)