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='more.jinja2',
        version='0.3.dev0',
        description="Jinja2 template integration for Morepath",
        long_description=long_description,
        author="Martijn Faassen",
        author_email="faassen@startifact.com",
        keywords='morepath jinja2',
        license="BSD",
        url="http://pypi.python.org/pypi/more.jinja2",
        namespace_packages=['more'],
        packages=find_packages(),
        include_package_data=True,
        zip_safe=False,
        install_requires=[
          'setuptools',
          'morepath >= 0.10',
          'Jinja2 >= 2.7.3'
          ],
        extras_require = dict(
          test=['pytest >= 2.6.0',
                'pytest-cov',
                'WebTest'],
          ),
        )
  
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='more.jinja2',
        version='0.3.dev0',
        description="Jinja2 template integration for Morepath",
        long_description=long_description,
        author="Martijn Faassen",
        author_email="faassen@startifact.com",
        keywords='morepath jinja2',
        license="BSD",
        url="http://pypi.python.org/pypi/more.jinja2",
        namespace_packages=['more'],
        packages=find_packages(),
        include_package_data=True,
        zip_safe=False,
        install_requires=[
          'setuptools',
          'morepath >= 0.10',
          'Jinja2 >= 2.7.3'
          ],
        extras_require=dict(
          test=['pytest >= 2.6.0',
                'pytest-cov',
                'WebTest'],
          ),
        )
  
subject: Use io.open with encoding='utf-8' and flake8 compliance