old_contents: from __future__ import absolute_import
  
  from .json_store import *
  
  __version__ = "2.1"
  
  open = JSONStore
  
new_contents: from __future__ import absolute_import
  
  from .json_store import *
  
  __version__ = "3.0"
  
  open = JSONStore
  
subject: Bump version to 3.0