old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  from setuptools import setup, find_packages
  from codecs import open
  from os import path
  
  here = path.abspath(path.dirname(__file__))
  
  # Get the long description from the README file
  with open(path.join(here, 'README.rst'), encoding='utf-8') as f:
      long_description = f.read()
  
  setup(
      name='smime',
      version=__import__('smime').__version__,
      description='Python S/MIME Toolkit',
      long_description=long_description,
      url='https://github.com/balena/python-smime',
      author='G. B. Versiani',
      author_email='guibv@yahoo.com',
      license='Apache License (2.0)',
      classifiers=[
          'Development Status :: 4 - Beta',
          'Operating System :: OS Independent',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: Apache Software License',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Topic :: Software Development :: Libraries',
          'Topic :: Communications :: Email',
          'Topic :: Security :: Cryptography',
      ],
      keywords='smime cryptography email',
      packages=find_packages(exclude=['smime/test', 'smime/crypto/testdata',
          'smime/crypto/tools', '*_test.py']),
      platforms=["all"],
      setup_requires=['asn1crypto', 'pycrypto'],
      install_requires=['pycrypto', 'asn1crypto'],
  )
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  from setuptools import setup, find_packages
  from codecs import open
  from os import path
  
  here = path.abspath(path.dirname(__file__))
  
  # Get the long description from the README file
  with open(path.join(here, 'README.rst'), encoding='utf-8') as f:
      long_description = f.read()
  
  setup(
      name='smime',
      version=__import__('smime').__version__,
      description='Python S/MIME Toolkit',
      long_description=long_description,
      url='https://github.com/balena/python-smime',
      author='G. B. Versiani',
      author_email='guibv@yahoo.com',
      license='Apache License (2.0)',
      classifiers=[
          'Development Status :: 4 - Beta',
          'Operating System :: OS Independent',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: Apache Software License',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Topic :: Software Development :: Libraries',
          'Topic :: Communications :: Email',
          'Topic :: Security :: Cryptography',
      ],
      keywords='smime cryptography email',
      packages=find_packages(exclude=['smime/test', 'smime/crypto/testdata',
          'smime/crypto/tools', '*_test.py']),
      platforms=["all"],
      install_requires=['pycrypto', 'asn1crypto'],
  )
  
subject: Remove setup_req in setup