old_contents: import sys
  
  from setuptools import setup, find_packages
  
  import populous
  
  requirements = [
      "click",
      "cached-property",
      "fake-factory",
  ]
  
  if sys.version_info < (3, 2):
      requirements.append('functools32')
  
  setup(
      name="populous",
      version=populous.__version__,
      url=populous.__url__,
      description=populous.__doc__,
      author=populous.__author__,
      license=populous.__license__,
      long_description="TODO",
      packages=find_packages(),
      install_requires=requirements,
      entry_points={
          'console_scripts': [
              'populous = populous.__main__:cli'
          ]
      },
      classifiers=[
          "Development Status :: 3 - Alpha",
          "License :: OSI Approved :: MIT License",
          "Operating System :: POSIX",
          "Programming Language :: Python :: 2",
          "Programming Language :: Python :: 2.7",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.4",
          "Programming Language :: Python :: 3.5",
          "Topic :: Utilities",
      ],
      keywords='populous populate database',
  )
  
new_contents: import sys
  
  from setuptools import setup, find_packages
  
  import populous
  
  requirements = [
      "click",
      "cached-property",
      "fake-factory",
      "dateutils"
  ]
  
  if sys.version_info < (3, 2):
      requirements.append('functools32')
  
  setup(
      name="populous",
      version=populous.__version__,
      url=populous.__url__,
      description=populous.__doc__,
      author=populous.__author__,
      license=populous.__license__,
      long_description="TODO",
      packages=find_packages(),
      install_requires=requirements,
      entry_points={
          'console_scripts': [
              'populous = populous.__main__:cli'
          ]
      },
      classifiers=[
          "Development Status :: 3 - Alpha",
          "License :: OSI Approved :: MIT License",
          "Operating System :: POSIX",
          "Programming Language :: Python :: 2",
          "Programming Language :: Python :: 2.7",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.4",
          "Programming Language :: Python :: 3.5",
          "Topic :: Utilities",
      ],
      keywords='populous populate database',
  )
  
subject: Add dateutils to the requirements