old_contents: from distutils.core import setup
  
  def readme():
      with open('README.rst') as f:
          return f.read()
  
  setup(name='string_demon',
        version='0.2.42',
        description='String Feature Extraction',
        url='http://github.com/guokr/string-demon',
        author='Jinyang Zhou',
        author_email='jinyang.zhou@guokr.com',
        license='MIT',
        packages=['string_demon'],
        zip_safe=False)
  
new_contents: from distutils.core import setup
  
  
  def readme():
      with open('README.rst') as f:
          return f.read()
  
  
  setup(
      name='string_demon',
      version='0.2.42',
      description='String Feature Extraction',
      url='http://github.com/guokr/string-demon',
      author='Jinyang Zhou',
      author_email='jinyang.zhou@guokr.com',
      license='MIT',
      packages=['string_demon'],
      zip_safe=False,
      install_requires=['regex==2016.01.10']
  )
  
subject: add install requires