old_contents: from setuptools import setup, find_packages
  
  long_description = (
      open('README.rst').read()
      + '\n' +
      open('CHANGES.txt').read())
  
  setup(name='dectate',
        version='0.11.dev0',
        description="A configuration engine for Python frameworks",
        long_description=long_description,
        author="Martijn Faassen",
        author_email="faassen@startifact.com",
        url='http://dectate.readthedocs.org',
        license="BSD",
        packages=find_packages(),
        include_package_data=True,
        zip_safe=False,
        classifiers=[
            'Intended Audience :: Developers',
            'License :: OSI Approved :: BSD License',
            'Topic :: Software Development :: Libraries :: Application Frameworks',
            'Programming Language :: Python :: 2.7',
            'Programming Language :: Python :: 3.4',
            'Development Status :: 5 - Production/Stable'
        ],
        keywords="configuration",
        install_requires=[
            'setuptools'
        ],
        extras_require = dict(
            test=['pytest >= 2.5.2',
                  'py >= 1.4.20',
                  'pytest-cov',
                  'pytest-remove-stale-bytecode',
            ],
        ),
  )
  
new_contents: import io
  from setuptools import setup, find_packages
  
  long_description = '\n'.join((
      io.open('README.rst', encoding='utf-8').read(),
      io.open('CHANGES.txt', encoding='utf-8').read()
  ))
  
  setup(
      name='dectate',
      version='0.11.dev0',
      description="A configuration engine for Python frameworks",
      long_description=long_description,
      author="Martijn Faassen",
      author_email="faassen@startifact.com",
      url='http://dectate.readthedocs.org',
      license="BSD",
      packages=find_packages(),
      include_package_data=True,
      zip_safe=False,
      classifiers=[
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Topic :: Software Development :: Libraries :: Application Frameworks',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.4',
          'Development Status :: 5 - Production/Stable'
      ],
      keywords="configuration",
      install_requires=[
          'setuptools'
      ],
      extras_require=dict(
          test=[
              'pytest >= 2.5.2',
              'py >= 1.4.20',
              'pytest-cov',
              'pytest-remove-stale-bytecode',
          ],
      ),
  )
  
subject: Use io.open with encoding='utf-8' and flake8 compliance