old_contents: from setuptools import setup, find_packages
  import os
  import platform
  import sys
  
  if sys.argv[-1] == 'publish':
      os.system('python setup.py sdist upload')
      os.system('python setup.py bdist_wheel upload')
      sys.exit()
  
  if sys.argv[-1] == 'tag':
      print("Tagging the version on github:")
      os.system("git tag -a %s -m 'version %s'" % (version, version))
      os.system("git push --tags")
      sys.exit()
  
  DESCRIPTION = "A Django email backend for Mailgun"
  
  LONG_DESCRIPTION = None
  try:
      LONG_DESCRIPTION = open('README.rst').read()
  except:
      pass
  
  CLASSIFIERS = [
      'Development Status :: 4 - Beta',
      'Framework :: Django',
      'Framework :: Django :: 1.4',
      'Framework :: Django :: 1.5',
      'Framework :: Django :: 1.6',
      'Framework :: Django :: 1.7',
  '    Framework :: Django :: 1.8',
      'Intended Audience :: Developers',
      'License :: OSI Approved :: MIT License',
      'Operating System :: OS Independent',
      'Programming Language :: Python',
      'Programming Language :: Python :: 2.7',
      'Programming Language :: Python :: 3.3',
      'Programming Language :: Python :: 3.4',
      'Programming Language :: Python :: 3.5',
      'Topic :: Software Development :: Libraries :: Python Modules',
  ]
  
  setup(
      name='django-mailgun',
      version='0.3.0',
      packages=['django_mailgun'],
      author='Bradley Whittington',
      author_email='radbrad182@gmail.com',
      url='http://github.com/bradwhittington/django-mailgun/',
      license='MIT',
      description=DESCRIPTION,
      long_description=LONG_DESCRIPTION,
      platforms=['any'],
      install_requires=['requests'],
      classifiers=CLASSIFIERS,
  )
  
new_contents: from setuptools import setup, find_packages
  import os
  import platform
  import sys
  
  version = '0.3.0'
  
  if sys.argv[-1] == 'publish':
      os.system('python setup.py sdist upload')
      os.system('python setup.py bdist_wheel upload')
      sys.exit()
  
  if sys.argv[-1] == 'tag':
      print("Tagging the version on github:")
      os.system("git tag -a %s -m 'version %s'" % (version, version))
      os.system("git push --tags")
      sys.exit()
  
  DESCRIPTION = "A Django email backend for Mailgun"
  
  LONG_DESCRIPTION = None
  try:
      LONG_DESCRIPTION = open('README.rst').read()
  except:
      pass
  
  CLASSIFIERS = [
      'Development Status :: 4 - Beta',
      'Framework :: Django',
      'Framework :: Django :: 1.4',
      'Framework :: Django :: 1.5',
      'Framework :: Django :: 1.6',
      'Framework :: Django :: 1.7',
  '    Framework :: Django :: 1.8',
      'Intended Audience :: Developers',
      'License :: OSI Approved :: MIT License',
      'Operating System :: OS Independent',
      'Programming Language :: Python',
      'Programming Language :: Python :: 2.7',
      'Programming Language :: Python :: 3.3',
      'Programming Language :: Python :: 3.4',
      'Programming Language :: Python :: 3.5',
      'Topic :: Software Development :: Libraries :: Python Modules',
  ]
  
  setup(
      name='django-mailgun',
      version=version,
      packages=['django_mailgun'],
      author='Bradley Whittington',
      author_email='radbrad182@gmail.com',
      url='http://github.com/bradwhittington/django-mailgun/',
      license='MIT',
      description=DESCRIPTION,
      long_description=LONG_DESCRIPTION,
      platforms=['any'],
      install_requires=['requests'],
      classifiers=CLASSIFIERS,
  )
  
subject: Add 'sys' to the setup.py