old_contents: import setuptools
  
  # Written according to the docs at
  # https://packaging.python.org/en/latest/distributing.html
  
  setuptools.setup(
      name='clinacl',
      description='A command line tool for playing with NaCl',
      version="0.1.0",
      url='https://github.com/oconnor663/clinacl',
      author="Jack O'Connor <oconnor663@gmail.com>",
      license='MIT',
      py_modules=['clinacl'],
      entry_points={
          'console_scripts': [
              'clinacl = clinacl:main',
          ]
      },
      install_requires=['docopt', 'u-msgpack-python', 'pynacl']
  )
  
new_contents: import setuptools
  
  # Written according to the docs at
  # https://packaging.python.org/en/latest/distributing.html
  
  setuptools.setup(
      name='clinacl',
      description='A command line tool for playing with NaCl',
      version="0.1.0",
      url='https://github.com/oconnor663/clinacl',
      author="Jack O'Connor <oconnor663@gmail.com>",
      license='MIT',
      py_modules=['clinacl'],
      entry_points={
          'console_scripts': [
              'clinacl = clinacl:main',
          ]
      },
      install_requires=['docopt', 'u-msgpack-python', 'pynacl', 'six']
  )
  
subject: add 'six' as an explicit dependency