old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  from __future__ import (absolute_import, division,
                          print_function, unicode_literals)
  from builtins import *
  
  import os
  __author__ = 'Chia-Jung, Yang'
  __email__ = 'jeroyang@gmail.com'
  __version__ = '0.1.0'
  
  from mcgocr.concept import *
  from mcgocr.corpus_craft import *
  from mcgocr.extractor import *
  from mcgocr.learning import *
  from mcgocr.pattern_regex import *
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  from __future__ import (absolute_import, division,
                          print_function, unicode_literals)
  from builtins import *
  
  import os
  __author__ = 'Chia-Jung, Yang'
  __email__ = 'jeroyang@gmail.com'
  
  from mcgocr.concept import *
  from mcgocr.corpus_craft import *
  from mcgocr.pattern_regex import *
  from mcgocr.mcgocr import *
  
subject: simplify import