old_contents: from setuptools import setup
  
  
  # Package metadata
  metadata = {}
  with open('plasmapy/_metadata.py', 'r') as metadata_file:
      exec(metadata_file.read(), metadata)
  
  # Requirements
  with open('requirements/base.txt', 'r') as req_file:
      requirements = req_file.read().splitlines()
  
  setup(name=metadata['name'],
        version=metadata['version'],
        description="Python package for plasma physics",
        requires=requirements,
        install_requires=requirements,
        provides=[metadata['name']],
        author=metadata['author'],
        author_email="namurphy@cfa.harvard.edu",  # until we get an email address
        license="BSD",
        url="https://github.com/PlasmaPy/PlasmaPy",  # until we make a webpage
        long_description=metadata['description'],
        keywords=['plasma', 'plasma physics', 'science'],
        classifiers=[
          'Intended Audience :: Science/Research',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 3 :: Only',
          'Programming Language :: Python :: 3.6',
          'Topic :: Scientific/Engineering :: Physics',
          'Topic :: Scientific/Engineering :: Astronomy',
          'Development Status :: 2 - Pre-Alpha',
          ],
        packages=["plasmapy"],
        zip_safe=False,
        use_2to3=False,
        python_requires='>=3.6',
        )
  
new_contents: from setuptools import setup, find_packages
  
  
  # Package metadata
  metadata = {}
  with open('plasmapy/_metadata.py', 'r') as metadata_file:
      exec(metadata_file.read(), metadata)
  
  # Requirements
  with open('requirements/base.txt', 'r') as req_file:
      requirements = req_file.read().splitlines()
  
  setup(name=metadata['name'],
        version=metadata['version'],
        description="Python package for plasma physics",
        requires=requirements,
        install_requires=requirements,
        provides=[metadata['name']],
        author=metadata['author'],
        author_email="namurphy@cfa.harvard.edu",  # until we get an email address
        license="BSD",
        url="https://github.com/PlasmaPy/PlasmaPy",  # until we make a webpage
        long_description=metadata['description'],
        keywords=['plasma', 'plasma physics', 'science'],
        classifiers=[
          'Intended Audience :: Science/Research',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 3 :: Only',
          'Programming Language :: Python :: 3.6',
          'Topic :: Scientific/Engineering :: Physics',
          'Topic :: Scientific/Engineering :: Astronomy',
          'Development Status :: 2 - Pre-Alpha',
          ],
        packages=find_packages(),
        zip_safe=False,
        use_2to3=False,
        python_requires='>=3.6',
        )
  
subject: Fix setup.py packaging