old_contents: # This should be only one line. If it must be multi-line, indent the second
  # line onwards to keep the PKG-INFO file format intact.
  """Scans a Nix store for derivations that are affected by vulnerabilities."""
  
  from setuptools import setup, find_packages
  import os.path
  
  
  def project_path(*names):
      return os.path.join(os.path.dirname(__file__), *names)
  
  
  with open(project_path('VERSION')) as f:
      version = f.read().strip()
  
  long_description = []
  
  for rst in ['README.rst', 'HACKING.rst', 'CHANGES.rst']:
      with open(project_path(rst)) as f:
          long_description.append(f.read())
  
  setup(
      name='vulnix',
      version=version,
      install_requires=[
          'click>=6.7',
          'colorama>=0.3',
          'lxml>=4',
          'pyyaml>=3.12,<4',
          'requests>=2.18',
          'toml>=0.9',
          'ZODB>=5.4',
      ],
      extras_require={
          'test': [
              'freezegun>0.3',
              'pytest>=3.2',
              'pytest-cov>=2.5',
              'pytest-flake8',
              'pytest-runner>=2.11,<3dev',
              'pytest-timeout>=1.2',
              'setuptools_scm>=1.15',
          ],
      },
      entry_points="""
          [console_scripts]
              vulnix = vulnix.main:main
      """,
      author='Flying Circus Internet Operations GmbH',
      author_email='mail@flyingcircus.io',
      license='BSD-3-Clause',
      url='https://github.com/flyingcircusio/vulnix',
      keywords='security',
      classifiers="""\
  Development Status :: 5 - Production/Stable
  Environment :: Console
  Intended Audience :: System Administrators
  License :: OSI Approved :: BSD License
  Operating System :: POSIX
  Programming Language :: Python
  Programming Language :: Python :: 3 :: Only
  Programming Language :: Python :: 3.5
  Programming Language :: Python :: 3.6
  Programming Language :: Python :: 3.7
  Topic :: System :: Systems Administration
  """[:-1].split('\n'),
      description=__doc__.strip(),
      long_description='\n\n'.join(long_description),
      packages=find_packages('src'),
      package_dir={'': 'src'},
      include_package_data=True,
      zip_safe=False
  )
  
new_contents: # This should be only one line. If it must be multi-line, indent the second
  # line onwards to keep the PKG-INFO file format intact.
  """Scans a Nix store for derivations that are affected by vulnerabilities."""
  
  from setuptools import setup, find_packages
  import os.path
  
  
  def project_path(*names):
      return os.path.join(os.path.dirname(__file__), *names)
  
  
  with open(project_path('VERSION')) as f:
      version = f.read().strip()
  
  long_description = []
  
  for rst in ['README.rst', 'HACKING.rst', 'CHANGES.rst']:
      with open(project_path(rst)) as f:
          long_description.append(f.read())
  
  setup(
      name='vulnix',
      version=version,
      install_requires=[
          'click>=6.7',
          'colorama>=0.3',
          'lxml>=4',
          'pyyaml>=3.12,<6',
          'requests>=2.18',
          'toml>=0.9',
          'ZODB>=5.4',
      ],
      extras_require={
          'test': [
              'freezegun>0.3',
              'pytest>=3.2',
              'pytest-cov>=2.5',
              'pytest-flake8',
              'pytest-runner>=2.11,<3dev',
              'pytest-timeout>=1.2',
              'setuptools_scm>=1.15',
          ],
      },
      entry_points="""
          [console_scripts]
              vulnix = vulnix.main:main
      """,
      author='Flying Circus Internet Operations GmbH',
      author_email='mail@flyingcircus.io',
      license='BSD-3-Clause',
      url='https://github.com/flyingcircusio/vulnix',
      keywords='security',
      classifiers="""\
  Development Status :: 5 - Production/Stable
  Environment :: Console
  Intended Audience :: System Administrators
  License :: OSI Approved :: BSD License
  Operating System :: POSIX
  Programming Language :: Python
  Programming Language :: Python :: 3 :: Only
  Programming Language :: Python :: 3.5
  Programming Language :: Python :: 3.6
  Programming Language :: Python :: 3.7
  Topic :: System :: Systems Administration
  """[:-1].split('\n'),
      description=__doc__.strip(),
      long_description='\n\n'.join(long_description),
      packages=find_packages('src'),
      package_dir={'': 'src'},
      include_package_data=True,
      zip_safe=False
  )
  
subject: Allow PyYAML 5.1