old_contents: from setuptools import setup
  
  setup(name='pybeam',
        version='0.4',
        description='Python module to parse Erlang BEAM files',
        url='http://github.com/matwey/pybeam',
        author='Matwey V. Kornilov',
        author_email='matwey.kornilov@gmail.com',
        license='MIT',
        packages=['pybeam'],
        test_suite = 'test',
        install_requires=['construct>=2.8'], 
        zip_safe=False)
  
new_contents: from setuptools import setup
  
  setup(name='pybeam',
        version='0.4',
        description='Python module to parse Erlang BEAM files',
        url='http://github.com/matwey/pybeam',
        author='Matwey V. Kornilov',
        author_email='matwey.kornilov@gmail.com',
        license='MIT',
        packages=['pybeam'],
        test_suite = 'test',
        install_requires=['construct>=2.8', 'six'],
        zip_safe=False)
  
subject: Add six to install_requires in setup.py