old_contents: from setuptools import setup
  
  setup(
      name='django-cors-headers',
      version='0.12',
      description='django-cors-headers is a Django application for handling the server headers required for Cross-Origin Resource Sharing (CORS).',
      author='Otto Yiu',
      author_email='otto@live.ca',
      url='https://github.com/ottoyiu/django-cors-headers',
      packages=['corsheaders'],
      license='MIT License',
      keywords='django cors middleware rest api',
      platforms = ['any'],
      classifiers = [
          'Development Status :: 5 - Production/Stable',
          'Environment :: Web Environment',
          'Framework :: Django',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: MIT License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Topic :: Software Development :: Libraries :: Application Frameworks',
          'Topic :: Software Development :: Libraries :: Python Modules',
      ],
      install_requires=['Django >= 1.4'],
      tests_require=['mock >= 1.0'],
      test_suite='tests.main',
  )
  
new_contents: from setuptools import setup
  
  setup(
      name='django-cors-headers',
      version='0.12',
      description='django-cors-headers is a Django application for handling the server headers required for Cross-Origin Resource Sharing (CORS).',
      author='Otto Yiu',
      author_email='otto@live.ca',
      url='https://github.com/ottoyiu/django-cors-headers',
      packages=['corsheaders'],
      license='MIT License',
      keywords='django cors middleware rest api',
      platforms = ['any'],
      classifiers = [
          'Development Status :: 5 - Production/Stable',
          'Environment :: Web Environment',
          'Framework :: Django',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: MIT License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.3',
          'Topic :: Software Development :: Libraries :: Application Frameworks',
          'Topic :: Software Development :: Libraries :: Python Modules',
      ],
      install_requires=['Django >= 1.4'],
      tests_require=['mock >= 1.0'],
      test_suite='tests.main',
  )
  
subject: add classifiers for supported python versions