old_contents: import os
  import sys
  from setuptools import setup, find_packages
  
  f = open('README.rst')
  readme = f.read()
  f.close()
  
  version = '2.1.0'
  
  if sys.argv[-1] == 'publish':
      if os.system("pip freeze | grep wheel"):
          print("wheel not installed.\nUse `pip install wheel`.\nExiting.")
          sys.exit()
      if os.system("pip freeze | grep twine"):
          print("twine not installed.\nUse `pip install twine`.\nExiting.")
          sys.exit()
      os.system("python setup.py sdist bdist_wheel")
      os.system("twine upload dist/*")
      print("You probably want to also tag the version now:")
      print("  git tag -a %s -m 'version %s'" % (version, version))
      print("  git push --tags")
      sys.exit()
  
  setup(
      name='django-filter',
      version=version,
      description=('Django-filter is a reusable Django application for allowing'
                   ' users to filter querysets dynamically.'),
      long_description=readme,
      author='Alex Gaynor',
      author_email='alex.gaynor@gmail.com',
      maintainer='Carlton Gibson',
      maintainer_email='carlton.gibson@noumenal.es',
      url='https://github.com/carltongibson/django-filter/tree/master',
      packages=find_packages(exclude=['tests*']),
      include_package_data=True,
      license='BSD',
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'Environment :: Web Environment',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Framework :: Django',
          'Framework :: Django :: 1.11',
          'Framework :: Django :: 2.0',
          'Framework :: Django :: 2.1',
  #        'Framework :: Django :: 2.2',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Framework :: Django',
      ],
      zip_safe=False,
      python_requires='>=3.4',
      install_requires=[
          'Django>=1.11',
      ],
  )
  
new_contents: import os
  import sys
  from setuptools import setup, find_packages
  
  f = open('README.rst')
  readme = f.read()
  f.close()
  
  version = '2.1.0'
  
  if sys.argv[-1] == 'publish':
      if os.system("pip freeze | grep wheel"):
          print("wheel not installed.\nUse `pip install wheel`.\nExiting.")
          sys.exit()
      if os.system("pip freeze | grep twine"):
          print("twine not installed.\nUse `pip install twine`.\nExiting.")
          sys.exit()
      os.system("python setup.py sdist bdist_wheel")
      os.system("twine upload dist/*")
      print("You probably want to also tag the version now:")
      print("  git tag -a %s -m 'version %s'" % (version, version))
      print("  git push --tags")
      sys.exit()
  
  setup(
      name='django-filter',
      version=version,
      description=('Django-filter is a reusable Django application for allowing'
                   ' users to filter querysets dynamically.'),
      long_description=readme,
      author='Alex Gaynor',
      author_email='alex.gaynor@gmail.com',
      maintainer='Carlton Gibson',
      maintainer_email='carlton.gibson@noumenal.es',
      url='https://github.com/carltongibson/django-filter/tree/master',
      packages=find_packages(exclude=['tests*']),
      include_package_data=True,
      license='BSD',
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'Environment :: Web Environment',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Framework :: Django',
          'Framework :: Django :: 1.11',
          'Framework :: Django :: 2.0',
          'Framework :: Django :: 2.1',
          'Framework :: Django :: 2.2',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Framework :: Django',
      ],
      zip_safe=False,
      python_requires='>=3.4',
      install_requires=[
          'Django>=1.11',
      ],
  )
  
subject: Revert "Comment Django 2.2 support in setup.py"