old_contents: import os
  import codecs
  from setuptools import setup
  
  
  def read(*parts):
      filename = os.path.join(os.path.dirname(__file__), *parts)
      with codecs.open(filename, encoding='utf-8') as fp:
          return fp.read()
  
  
  setup(
      name="django-configurations",
      use_scm_version={"version_scheme": "post-release", "local_scheme": "dirty-tag"},
      setup_requires=["setuptools_scm"],
      url='https://django-configurations.readthedocs.io/',
      license='BSD',
      description="A helper for organizing Django settings.",
      long_description=read('README.rst'),
      long_description_content_type='text/x-rst',
      author='Jannis Leidel',
      author_email='jannis@leidel.info',
      packages=['configurations'],
      entry_points={
          'console_scripts': [
              'django-cadmin = configurations.management:execute_from_command_line',
          ],
      },
      install_requires=[
          'django>=2.2',
          'importlib-metadata;python_version<"3.8"',
      ],
      extras_require={
          'cache': ['django-cache-url'],
          'database': ['dj-database-url'],
          'email': ['dj-email-url'],
          'search': ['dj-search-url'],
          'testing': [
              'django-cache-url>=1.0.0',
              'dj-database-url',
              'dj-email-url',
              'dj-search-url',
              'Sphinx>=1.4',
          ],
      },
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'Framework :: Django',
          'Framework :: Django :: 2.2',
          'Framework :: Django :: 3.0',
          'Framework :: Django :: 3.1',
          'Framework :: Django :: 3.2',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'Programming Language :: Python :: 3.9',
          'Programming Language :: Python :: 3.10',
          'Programming Language :: Python :: Implementation :: PyPy',
          'Topic :: Utilities',
      ],
      zip_safe=False,
  )
  
new_contents: import os
  import codecs
  from setuptools import setup
  
  
  def read(*parts):
      filename = os.path.join(os.path.dirname(__file__), *parts)
      with codecs.open(filename, encoding='utf-8') as fp:
          return fp.read()
  
  
  setup(
      name="django-configurations",
      use_scm_version={"version_scheme": "post-release", "local_scheme": "dirty-tag"},
      setup_requires=["setuptools_scm"],
      url='https://django-configurations.readthedocs.io/',
      license='BSD',
      description="A helper for organizing Django settings.",
      long_description=read('README.rst'),
      long_description_content_type='text/x-rst',
      author='Jannis Leidel',
      author_email='jannis@leidel.info',
      packages=['configurations'],
      entry_points={
          'console_scripts': [
              'django-cadmin = configurations.management:execute_from_command_line',
          ],
      },
      install_requires=[
          'django>=2.2',
          'importlib-metadata;python_version<"3.8"',
      ],
      python_requires='>=3.6, <4.0',
      extras_require={
          'cache': ['django-cache-url'],
          'database': ['dj-database-url'],
          'email': ['dj-email-url'],
          'search': ['dj-search-url'],
          'testing': [
              'django-cache-url>=1.0.0',
              'dj-database-url',
              'dj-email-url',
              'dj-search-url',
              'Sphinx>=1.4',
          ],
      },
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'Framework :: Django',
          'Framework :: Django :: 2.2',
          'Framework :: Django :: 3.0',
          'Framework :: Django :: 3.1',
          'Framework :: Django :: 3.2',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'Programming Language :: Python :: 3.9',
          'Programming Language :: Python :: 3.10',
          'Programming Language :: Python :: Implementation :: PyPy',
          'Topic :: Utilities',
      ],
      zip_safe=False,
  )
  
subject: Add python version limiter.