old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  __version__ = '20140915'
  
  if __name__ == '__main__':
      print (__version__)
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  __version__ = '20150601'
  
  if __name__ == '__main__':
      print (__version__)
  
subject: Update __init__.py