old_contents: from setuptools import setup
  
  
  # Installed name used for various commands (both script and setuptools).
  command_name = 'caniusepython3'  # 'icanhazpython3'
  
  with open('README.md') as file:
      # Try my best to have at least the intro in Markdown/reST.
      long_description = file.read().partition('<!-- END long_description -->')[0]
  
  setup(name='caniusepython3',
        version='1.2.1',
        description='Determine what projects are blocking you from porting to Python 3',
        long_description=long_description,
        author='Brett Cannon',
        author_email='brett@python.org',
        url='https://github.com/brettcannon/caniusepython3',
        packages=['caniusepython3', 'caniusepython3.test'],
        include_package_data=True,
        install_requires=['distlib', 'setuptools', 'pip',  # Input flexibility
                          'argparse', 'futures',  # Functionality
                          'mock'],  # Testing
        classifiers=[
            'Development Status :: 5 - Production/Stable',
            'Environment :: Console',
            'Intended Audience :: Developers',
            'License :: OSI Approved :: Apache Software License',
            'Programming Language :: Python',
            'Programming Language :: Python :: 2.6',
            'Programming Language :: Python :: 2.7',
            'Programming Language :: Python :: 3',
            'Programming Language :: Python :: 3.2',
            'Programming Language :: Python :: 3.3',
        ],
        entry_points={
            'console_scripts': [
                '{0} = caniusepython3.__main__:main'.format(command_name),
            ],
            'distutils.commands': [
                '{0} = caniusepython3.command:Command'.format(command_name),
            ],
        },
        zip_safe=True,
  )
  
new_contents: from setuptools import setup
  
  
  # Installed name used for various commands (both script and setuptools).
  command_name = 'caniusepython3'  # 'icanhazpython3'
  
  with open('README.md') as file:
      # Try my best to have at least the intro in Markdown/reST.
      long_description = file.read().partition('<!-- END long_description -->')[0]
  
  setup(name='caniusepython3',
        version='1.2.1',
        description='Determine what projects are blocking you from porting to Python 3',
        long_description=long_description,
        author='Brett Cannon',
        author_email='brett@python.org',
        url='https://github.com/brettcannon/caniusepython3',
        packages=['caniusepython3', 'caniusepython3.test'],
        include_package_data=True,
        install_requires=['distlib', 'setuptools', 'pip',  # Input flexibility
                          'argparse', 'futures',  # Functionality
                          'mock'],  # Testing
        test_suite='caniusepython3.test',
        classifiers=[
            'Development Status :: 5 - Production/Stable',
            'Environment :: Console',
            'Intended Audience :: Developers',
            'License :: OSI Approved :: Apache Software License',
            'Programming Language :: Python',
            'Programming Language :: Python :: 2.6',
            'Programming Language :: Python :: 2.7',
            'Programming Language :: Python :: 3',
            'Programming Language :: Python :: 3.2',
            'Programming Language :: Python :: 3.3',
        ],
        entry_points={
            'console_scripts': [
                '{0} = caniusepython3.__main__:main'.format(command_name),
            ],
            'distutils.commands': [
                '{0} = caniusepython3.command:Command'.format(command_name),
            ],
        },
        zip_safe=True,
  )
  
subject: Call the existing test suite directly in setup.py test