old_contents: import os
  
  from setuptools import setup
  
  version = '1.0.5rc'
  
  with open(os.path.join(os.path.dirname(__file__), "README.md")) as readme:
      long_description = readme.read()
  
  setup(
      name='yieldfrom',
      version=version,
      description="A backport of the `yield from` semantic from Python 3.x to "
                  "Python 2.7",
      long_description=long_description,
      long_description_content_type='text/markdown',
      license='MIT',
      author='Amir Rachum',
      author_email='amir@rachum.com',
      url='https://github.com/Nurdok/yieldfrom/',
      classifiers=[
          'Intended Audience :: Developers',
          'Environment :: Console',
          'Programming Language :: Python :: 2',
          'Operating System :: OS Independent',
          'License :: OSI Approved :: MIT License',
      ],
      keywords='yield,from,yield from,generators,backport,iterators',
      py_modules=('yieldfrom',),
  )
  
new_contents: import os
  
  from setuptools import setup
  
  version = '1.0.5rc'
  
  with open(os.path.join(os.path.dirname(__file__), "README.md")) as readme:
      long_description = readme.read()
  
  setup(
      name='yieldfrom',
      version=version,
      description="A backport of the `yield from` semantic from Python 3.x to "
                  "Python 2.7",
      long_description=long_description,
      long_description_content_type='text/markdown',
      license='MIT',
      author='Amir Rachum',
      author_email='amir@rachum.com',
      url='https://github.com/Nurdok/yieldfrom/',
      classifiers=[
          'Intended Audience :: Developers',
          'Environment :: Console',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 3',
          'Operating System :: OS Independent',
          'License :: OSI Approved :: MIT License',
      ],
      keywords='yield,from,yield from,generators,backport,iterators',
      py_modules=('yieldfrom',),
  )
  
subject: Add Python 3 to setup.py.