old_contents: from distutils.core import setup
  
  setup(name='twink',
          version='0.3',
          description='Openflow library',
          author='Hiroaki Kawai',
          author_email='hiroaki.kawai@gmail.com',
          url='https://github.com/hkwi/twink/',
          packages=['twink','twink.ofp4','twink.ofp5']
  )
  
new_contents: import unittest
  try:
  	from setuptools import setup
  except ImportError:
  	from distutils.core import setup
  
  setup(name='twink',
          version='0.3',
          description='Openflow library',
  	long_description=open("README.md").read(),
  	long_description_content_type="text/markdown",
          author='Hiroaki Kawai',
          author_email='hiroaki.kawai@gmail.com',
          url='https://github.com/hkwi/twink/',
          packages=['twink','twink.ofp4','twink.ofp5'],
  )
  
subject: add long_description