old_contents:  #!/usr/bin/env python
  
  import io
  from os.path import exists
  
  try:
      from setuptools import setup
  except ImportError:
      from distutils.core import setup
  
  __version__ = "3.3.4"
  
  setup(
      name='django-tenants',
      version=__version__,
      author='Thomas Turner',
      author_email='tom@twt.me.uk',
      packages=[
          'django_tenants',
          'django_tenants.files',
          'django_tenants.postgresql_backend',
          'django_tenants.management',
          'django_tenants.management.commands',
          'django_tenants.migration_executors',
          'django_tenants.template',
          'django_tenants.template.loaders',
          'django_tenants.templatetags',
          'django_tenants.test',
          'django_tenants.tests',
          'django_tenants.staticfiles',
          'django_tenants.middleware',
      ],
      include_package_data=True,
      scripts=[],
      url='https://github.com/django-tenants/django-tenants',
      license='MIT',
      description='Tenant support for Django using PostgreSQL schemas.',
      long_description=io.open('README.rst', encoding='utf-8').read() if exists("README.rst") else "",
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'Environment :: Web Environment',
          'License :: OSI Approved :: MIT License',
          'Framework :: Django',
          'Framework :: Django :: 2.1',
          'Framework :: Django :: 2.2',
          'Framework :: Django :: 3.0',
          'Framework :: Django :: 3.1',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'Topic :: Software Development :: Libraries :: Python Modules'
      ],
      install_requires=[
          'Django >= 2.1,<4.0',
      ],
      zip_safe=False,
  )
  
new_contents:  #!/usr/bin/env python
  
  import io
  from os.path import exists
  
  try:
      from setuptools import setup
  except ImportError:
      from distutils.core import setup
  
  __version__ = "3.3.4"
  
  setup(
      name='django-tenants',
      version=__version__,
      author='Thomas Turner',
      author_email='tom@twt.me.uk',
      packages=[
          'django_tenants',
          'django_tenants.files',
          'django_tenants.postgresql_backend',
          'django_tenants.management',
          'django_tenants.management.commands',
          'django_tenants.migration_executors',
          'django_tenants.template',
          'django_tenants.template.loaders',
          'django_tenants.templatetags',
          'django_tenants.test',
          'django_tenants.tests',
          'django_tenants.staticfiles',
          'django_tenants.middleware',
      ],
      include_package_data=True,
      scripts=[],
      url='https://github.com/django-tenants/django-tenants',
      license='MIT',
      description='Tenant support for Django using PostgreSQL schemas.',
      long_description=io.open('README.rst', encoding='utf-8').read() if exists("README.rst") else "",
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'Environment :: Web Environment',
          'License :: OSI Approved :: MIT License',
          'Framework :: Django',
          'Framework :: Django :: 2.1',
          'Framework :: Django :: 2.2',
          'Framework :: Django :: 3.0',
          'Framework :: Django :: 3.1',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'Topic :: Software Development :: Libraries :: Python Modules'
      ],
      install_requires=[
          'Django >= 2.1,<=4.0',
      ],
      zip_safe=False,
  )
  
subject: Add django 4.0 to allowed versions