old_contents: 
  from distutils.core import setup
  
  setup(
      name='django-classy-settings',
      version='0.1.0',
      description='Simple class-based settings for Django',
      author='Curtis Maloney',
      author_email='curtis@tinbrain.net',
      packages=['cbs',],
  )
  
new_contents: 
  from distutils.core import setup
  
  setup(
      name='django-classy-settings',
      version='0.1.0',
      description='Simple class-based settings for Django',
      author='Curtis Maloney',
      author_email='curtis@tinbrain.net',
      packages=['cbs',],
      classifiers=[
          'Development Status :: 3 - Alpha',
          'Framework :: Django',
          'Intended Audience :: Developers',
      ],
      requires=[
          'Django (>=1.6)',
          'six (>=1.7.3)',
      ],
  )
  
subject: Add requirements and classifiers