old_contents: from setuptools import setup
  
  
  setup(name='cpplint',
        version='1.3.0',
        py_modules=['cpplint'],
        # generate platform specific start script
        entry_points={
          'console_scripts': [
              'cpplint = cpplint:main'
          ]
        },
        install_requires=[],
        url='http://en.wikipedia.org/wiki/Cpplint',
        download_url='https://github.com/cpplint/cpplint',
        keywords=['lint', 'python', 'c++'],
        maintainer = 'cpplint Developers',
        maintainer_email = 'see_github@nospam.com',
        classifiers=['Programming Language :: Python',
                     'Programming Language :: Python :: 2',
                     'Programming Language :: Python :: 2.7',
                     'Programming Language :: Python :: 3',
                     'Programming Language :: Python :: 3.4',
                     'Programming Language :: Python :: 3.5',
                     'Programming Language :: Python :: 3.6',
                     'Programming Language :: Python :: 3.7',
                     'Programming Language :: C++',
                     'Development Status :: 5 - Production/Stable',
                     'Environment :: Console',
                     'Topic :: Software Development :: Quality Assurance',
                     'License :: Freely Distributable'],
        description='An automated checker to make sure a C++ file follows Google\'s C++ style guide',
        long_description=open('README.rst').read())
  
new_contents: from setuptools import setup
  
  
  setup(name='cpplint',
        version='1.3.0',
        py_modules=['cpplint'],
        # generate platform specific start script
        entry_points={
          'console_scripts': [
              'cpplint = cpplint:main'
          ]
        },
        install_requires=[],
        url='http://en.wikipedia.org/wiki/Cpplint',
        download_url='https://github.com/cpplint/cpplint',
        keywords=['lint', 'python', 'c++'],
        maintainer = 'cpplint Developers',
        maintainer_email = 'see_github@nospam.com',
        classifiers=['Programming Language :: Python',
                     'Programming Language :: Python :: 2',
                     'Programming Language :: Python :: 2.7',
                     'Programming Language :: Python :: 3',
                     'Programming Language :: Python :: 3.4',
                     'Programming Language :: Python :: 3.5',
                     'Programming Language :: Python :: 3.6',
                     'Programming Language :: Python :: 3.7',
                     'Programming Language :: C++',
                     'Development Status :: 5 - Production/Stable',
                     'Environment :: Console',
                     'Topic :: Software Development :: Quality Assurance',
                     'License :: Freely Distributable'],
        description='An automated checker to make sure a C++ file follows Google\'s C++ style guide',
        long_description=open('README.rst').read(),
        extras_require={
          'dev': [
              'pylint',
              'flake8',
              'yapf',
          ]
        })
  
subject: add development dependencies to setup script