old_contents: #!/usr/bin/env python
  
  from setuptools import find_packages, setup
  from stale import __version__
  
  setup(
      name="stale",
      version=__version__,
      description="Identifies (and optionally removes) stale Pinboard links",
      author="Jon Parise",
      author_email="jon@indelible.org",
      keywords="delicious pinboard",
      url="https://github.com/jparise/stale",
      license="MIT License",
      classifiers=[
          'Environment :: Console',
          'Intended Audience :: End Users/Desktop',
          'License :: OSI Approved :: MIT License',
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 2.7',
          'Topic :: Utilities'],
      packages=find_packages(),
      entry_points={'console_scripts': ['stale = stale:main']},
      zip_safe=True,
  )
  
new_contents: #!/usr/bin/env python
  
  from setuptools import find_packages, setup
  from stale import __version__
  
  setup(
      name="stale",
      version=__version__,
      description="Identifies (and optionally removes) stale Pinboard links",
      author="Jon Parise",
      author_email="jon@indelible.org",
      keywords="delicious pinboard",
      url="https://github.com/jparise/stale",
      license="MIT License",
      classifiers=[
          'Environment :: Console',
          'Intended Audience :: End Users/Desktop',
          'License :: OSI Approved :: MIT License',
          'Operating System :: OS Independent',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'Topic :: Utilities'],
      packages=find_packages(),
      entry_points={'console_scripts': ['stale = stale:main']},
      zip_safe=True,
  )
  
subject: Declare Python 3 compatibility in setup.py