old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-,
  from __future__ import absolute_import
  from __future__ import print_function
  
  __version__ = '0.2.0'
  __all__ = ['json_encoder',
             'utils']
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-,
  from __future__ import absolute_import
  from __future__ import print_function
  
  __version__ = '0.2.1'
  __all__ = ['json_encoder',
             'utils']
  
subject: bump version to 0.2.1 for adding an RST readme