old_contents: import os, io
  from setuptools import setup, find_packages
  
  long_description = (
      io.open('README.rst', encoding='utf-8').read()
      + '\n' +
      io.open('CHANGES.txt', encoding='utf-8').read())
  
  setup(name='morepath',
        version='0.15.dev0',
        description="A micro web-framework with superpowers",
        long_description=long_description,
        author="Martijn Faassen",
        author_email="faassen@startifact.com",
        url='http://morepath.readthedocs.org',
        license="BSD",
        packages=find_packages(),
        include_package_data=True,
        zip_safe=False,
        classifiers=[
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Environment :: Web Environment',
          'Topic :: Software Development :: Libraries :: Application Frameworks',
          'Topic :: Internet :: WWW/HTTP :: WSGI',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.4',
          'Development Status :: 5 - Production/Stable'
          ],
        keywords="web wsgi routing morepath",
        install_requires=[
          'setuptools',
          'webob >= 1.3.1',
          'reg >= 0.9.2',
          'dectate >= 0.10.1',
          'importscan',
        ],
        extras_require = dict(
          test=['pytest >= 2.5.2',
                'py >= 1.4.20',
                'pytest-cov',
                'pytest-remove-stale-bytecode',
                'WebTest >= 2.0.14'],
          ),
        )
  
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='morepath',
      version='0.15.dev0',
      description="A micro web-framework with superpowers",
      long_description=long_description,
      author="Martijn Faassen",
      author_email="faassen@startifact.com",
      url='http://morepath.readthedocs.org',
      license="BSD",
      packages=find_packages(),
      include_package_data=True,
      zip_safe=False,
      classifiers=[
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Environment :: Web Environment',
          'Topic :: Software Development :: Libraries :: Application Frameworks',
          'Topic :: Internet :: WWW/HTTP :: WSGI',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.4',
          'Development Status :: 5 - Production/Stable'
      ],
      keywords="web wsgi routing morepath",
      install_requires=[
          'setuptools',
          'webob >= 1.3.1',
          'reg >= 0.9.2',
          'dectate >= 0.10.1',
          'importscan',
      ],
      extras_require=dict(
          test=['pytest >= 2.5.2',
                'py >= 1.4.20',
                'pytest-cov',
                'pytest-remove-stale-bytecode',
                'WebTest >= 2.0.14'],
      ),
  )
  
subject: Use io.open with encoding='utf-8' and flake8 compliance