old_contents: #  This Source Code Form is subject to the terms of the Mozilla Public
  #  License, v. 2.0. If a copy of the MPL was not distributed with this
  #  file, You can obtain one at http://mozilla.org/MPL/2.0/.
  
  from distutils.core import setup
  
  setup(
      name='applied-sims',
      version='0.1',
      classifiers=[
          'License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)',
          'Programming Language :: Python :: 3',
          'Topic :: Scientific/Engineering :: Physics',
          'Intended Audience :: Other Audience',
      ],
      packages=['polymer_states'],
      url='http://github.com/szabba/applied-sims',
      license='MPL-2.0',
      author='Karol Marcjan',
      author_email='karol.marcjan@gmail.com',
      description=''
  )
  
new_contents: #  This Source Code Form is subject to the terms of the Mozilla Public
  #  License, v. 2.0. If a copy of the MPL was not distributed with this
  #  file, You can obtain one at http://mozilla.org/MPL/2.0/.
  
  from setuptools import setup
  
  setup(
      name='applied-sims',
      version='0.1',
      classifiers=[
          'License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)',
          'Programming Language :: Python :: 3',
          'Topic :: Scientific/Engineering :: Physics',
          'Intended Audience :: Other Audience',
      ],
      packages=['polymer_states'],
      url='http://github.com/szabba/applied-sims',
      license='MPL-2.0',
      author='Karol Marcjan',
      author_email='karol.marcjan@gmail.com',
      description=''
  )
  
subject: Upgrade setup.py to setuptools