old_contents: #!/usr/bin/env python
  # coding=utf-8
  
  import werobot
  
  from setuptools import setup, find_packages
  
  readme = open("README.rst").read().replace("develop", "master")
  readme = readme.replace("latest", werobot.__version__)
  
  setup(
      name='WeRoBot',
      version=werobot.__version__,
      author=werobot.__author__,
      author_email='whtsky@me.com',
      url='https://github.com/whtsky/WeRoBot',
      packages=find_packages(),
      keywords="wechat weixin werobot",
      description='WeRoBot: writing WeChat Offical Account Robots with fun',
      long_description=readme,
      setup_requires=[
          'pytest-runner',
      ],
      install_requires=open("requirements.txt").readlines(),
      include_package_data=True,
      license='MIT License',
      classifiers=[
          'Development Status :: 4 - Beta',
          'License :: OSI Approved :: MIT License',
          'Operating System :: MacOS',
          'Operating System :: POSIX',
          'Operating System :: POSIX :: Linux',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: Implementation :: CPython',
          'Programming Language :: Python :: Implementation :: PyPy',
          'Intended Audience :: Developers',
          'Topic :: Software Development :: Libraries',
          'Topic :: Software Development :: Libraries :: Python Modules',
          'Topic :: Utilities',
      ],
      tests_require=['pytest'],
  )
  
new_contents: #!/usr/bin/env python
  # coding=utf-8
  
  import io
  import werobot
  
  from setuptools import setup, find_packages
  
  with io.open("README.rst", encoding="utf8") as f:
      readme = f.read().replace("develop", "master")
  readme = readme.replace("latest", werobot.__version__)
  
  setup(
      name='WeRoBot',
      version=werobot.__version__,
      author=werobot.__author__,
      author_email='whtsky@me.com',
      url='https://github.com/whtsky/WeRoBot',
      packages=find_packages(),
      keywords="wechat weixin werobot",
      description='WeRoBot: writing WeChat Offical Account Robots with fun',
      long_description=readme,
      setup_requires=[
          'pytest-runner',
      ],
      install_requires=open("requirements.txt").readlines(),
      include_package_data=True,
      license='MIT License',
      classifiers=[
          'Development Status :: 4 - Beta',
          'License :: OSI Approved :: MIT License',
          'Operating System :: MacOS',
          'Operating System :: POSIX',
          'Operating System :: POSIX :: Linux',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.3',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: Implementation :: CPython',
          'Programming Language :: Python :: Implementation :: PyPy',
          'Intended Audience :: Developers',
          'Topic :: Software Development :: Libraries',
          'Topic :: Software Development :: Libraries :: Python Modules',
          'Topic :: Utilities',
      ],
      tests_require=['pytest'],
  )
  
subject: add encoding in setup.py