old_contents: #!/usr/bin/env python
  # coding: utf-8
  
  # http://stackoverflow.com/a/10975371/554319
  import io
  from setuptools import setup, find_packages
  
  
  # http://blog.ionelmc.ro/2014/05/25/python-packaging/
  setup(
      name="poliastro",
      version='0.5.0.dev0',
      description="poliastro - Python package for Orbital Mechanics",
      author="Juan Luis Cano",
      author_email="hello@juanlu.space",
      url="http://poliastro.github.io/",
      download_url="https://github.com/poliastro/poliastro",
      license="MIT",
      keywords=[
        "aero", "aerospace", "engineering",
        "astrodynamics", "orbits", "kepler", "orbital mechanics"
      ],
      requires=[
          "numpy",
          "numba",
          "astropy",
          "matplotlib",
          "jplephem",
          "scipy",
          "pytest"
      ],
      packages=find_packages('src'),
      package_dir={'': 'src'},
      entry_points={
        'console_scripts': [
            'poliastro = poliastro.cli:main'
        ]
      },
      classifiers=[
        "Development Status :: 4 - Beta",
        "Intended Audience :: Education",
        "Intended Audience :: Science/Research",
        "License :: OSI Approved :: MIT License",
        "Operating System :: OS Independent",
        "Programming Language :: Python",
        "Programming Language :: Python :: 3",
        "Programming Language :: Python :: 3.3",
        "Programming Language :: Python :: 3.4",
        "Programming Language :: Python :: 3.5",
        "Programming Language :: Python :: Implementation :: CPython",
        "Topic :: Scientific/Engineering",
        "Topic :: Scientific/Engineering :: Physics",
        "Topic :: Scientific/Engineering :: Astronomy",
      ],
      long_description=io.open('README', encoding='utf-8').read(),
      package_data={"poliastro": ['tests/*.py']}
  )
  
new_contents: #!/usr/bin/env python
  # coding: utf-8
  
  # http://stackoverflow.com/a/10975371/554319
  import io
  from setuptools import setup, find_packages
  
  
  # http://blog.ionelmc.ro/2014/05/25/python-packaging/
  setup(
      name="poliastro",
      version='0.5.0.dev0',
      description="Python package for Orbital Mechanics",
      author="Juan Luis Cano",
      author_email="hello@juanlu.space",
      url="http://poliastro.github.io/",
      download_url="https://github.com/poliastro/poliastro",
      license="MIT",
      keywords=[
        "aero", "aerospace", "engineering",
        "astrodynamics", "orbits", "kepler", "orbital mechanics"
      ],
      requires=[
          "numpy",
          "numba",
          "astropy",
          "matplotlib",
          "jplephem",
          "scipy",
          "pytest"
      ],
      packages=find_packages('src'),
      package_dir={'': 'src'},
      entry_points={
        'console_scripts': [
            'poliastro = poliastro.cli:main'
        ]
      },
      classifiers=[
        "Development Status :: 4 - Beta",
        "Intended Audience :: Education",
        "Intended Audience :: Science/Research",
        "License :: OSI Approved :: MIT License",
        "Operating System :: OS Independent",
        "Programming Language :: Python",
        "Programming Language :: Python :: 3",
        "Programming Language :: Python :: 3.3",
        "Programming Language :: Python :: 3.4",
        "Programming Language :: Python :: 3.5",
        "Programming Language :: Python :: Implementation :: CPython",
        "Topic :: Scientific/Engineering",
        "Topic :: Scientific/Engineering :: Physics",
        "Topic :: Scientific/Engineering :: Astronomy",
      ],
      long_description=io.open('README', encoding='utf-8').read(),
      package_data={"poliastro": ['tests/*.py']}
  )
  
subject: Fix description