old_contents: # coding: utf-8
  from . import fileparse
  from . import shell
  __author__ = 'Yuto Kimura'
  __version__ = '0.0.2'
  
new_contents: # coding: utf-8
  from . import fileparse
  from . import shell
  from . import seq
  __author__ = 'Yuto Kimura'
  __version__ = '0.0.2'
  
subject: add seq init