old_contents: from setuptools import setup
  
  import versioneer  # that's a local versioneer.py script from this repo
  
  
  def _check_requirements():
      """Prepare a list of requirements to be passed to setup().
  
      We don't want to add required libraries to ``install_requires``
      unconditionally, because then we would risk updating an installed
      numpy/xarray/netCDF4/..., which is prone to cause trouble.  So we try to
      import the requirements first and only add them to the ``_requires`` in
      case they are not installed.  See
  
      """
      requirements = []
  
      try:
          import numpy
      except ImportError:
          requirements += ['numpy>=1.7']
  
      try:
          import xarray
      except ImportError:
          requirements += ['xarray>=0.8']
  
      try:
          import netCDF4
      except ImportError:
          requirements += ['netCDF4>=1.2.1']
  
      return requirements
  
  
  setup(name='emiprep',
        version=versioneer.get_version(),
        cmdclass=versioneer.get_cmdclass(),
        description=('(yet another) emission pre-processor for '
                     'atmospheric chemistry models'),
        url='https://github.com/andreas-h/emiprep/',
        author='Andreas Hilboll',
        author_email='hilboll@uni-bremen.de',
        license='AGPLv3',
        classifiers=[
            # How mature is this project? Common values are
            'Development Status :: 1 - Planning',
            # Indicate who your project is intended for
            'Intended Audience :: Science/Research',
            'Topic :: Scientific/Engineering :: Atmospheric Science',
            # Pick your license as you wish (should match "license" above)
            'License :: OSI Approved :: GNU Affero General Public License v3',
            # Specify the Python versions you support here. In particular, ensure
            # that you indicate whether you support Python 2, Python 3 or both.
            'Programming Language :: Python :: 2.7',
            'Programming Language :: Python :: 3.4',
            'Programming Language :: Python :: 3.5',
            'Programming Language :: Python :: 3.6',
        ],
        packages=['emiprep'],
        install_requires=_check_requirements(),
        setup_requires=[
            'pytest-runner',
        ],
        tests_require=[
            'pytest',
            'pytest-cov',
            'pytest-flake8',
        ],
        zip_safe=False)
  
new_contents: from setuptools import setup
  
  import versioneer  # that's a local versioneer.py script from this repo
  
  
  def _check_requirements():
      """Prepare a list of requirements to be passed to setup().
  
      We don't want to add required libraries to ``install_requires``
      unconditionally, because then we would risk updating an installed
      numpy/xarray/netCDF4/..., which is prone to cause trouble.  So we try to
      import the requirements first and only add them to the ``_requires`` in
      case they are not installed.  See
  
      """
      requirements = []
  
      try:
          import numpy
      except ImportError:
          requirements += ['numpy>=1.7']
  
      try:
          import xarray
      except ImportError:
          requirements += ['xarray>=0.8']
  
      try:
          import netCDF4
      except ImportError:
          requirements += ['netCDF4>=1.2.1']
  
      return requirements
  
  
  setup(name='emiprep',
        version=versioneer.get_version(),
        cmdclass=versioneer.get_cmdclass(),
        description=('(yet another) emission pre-processor for '
                     'atmospheric chemistry models'),
        url='https://github.com/andreas-h/emiprep/',
        author='Andreas Hilboll',
        author_email='hilboll@uni-bremen.de',
        license='AGPLv3',
        classifiers=[
            # How mature is this project? Common values are
            'Development Status :: 1 - Planning',
            # Indicate who your project is intended for
            'Intended Audience :: Science/Research',
            'Topic :: Scientific/Engineering :: Atmospheric Science',
            # Pick your license as you wish (should match "license" above)
            'License :: OSI Approved :: GNU Affero General Public License v3',
            # Specify the Python versions you support here. In particular, ensure
            # that you indicate whether you support Python 2, Python 3 or both.
            'Programming Language :: Python :: 2.6',
            'Programming Language :: Python :: 2.7',
            'Programming Language :: Python :: 3.3',
            'Programming Language :: Python :: 3.4',
            'Programming Language :: Python :: 3.5',
            'Programming Language :: Python :: 3.6',
        ],
        packages=['emiprep'],
        install_requires=_check_requirements(),
        setup_requires=[
            'pytest-runner',
        ],
        tests_require=[
            'pytest',
            'pytest-cov',
            'pytest-flake8',
        ],
        zip_safe=False)
  
subject: add Python version 2.6 and 3.3 to compatibility list