old_contents: import os
  from setuptools import setup
  
  version_txt = os.path.join(os.path.dirname(__file__), 'aghasher', 'version.txt')
  with open(version_txt, 'r') as f:
      version = f.read().strip()
  
  setup(
      author='Daniel Steinberg',
      author_email='ds@dannyadam.com',
      classifiers=[
          'Development Status :: 4 - Beta',
          'Intended Audience :: Developers',
          'Intended Audience :: Science/Research',
          'Topic :: Scientific/Engineering',
          'Topic :: Scientific/Engineering :: Artificial Intelligence',
          'Topic :: Scientific/Engineering :: Information Analysis',
          'License :: OSI Approved :: MIT License',
          'Operating System :: Unix',
          'Operating System :: POSIX :: Linux',
          'Operating System :: MacOS',
          'Operating System :: Microsoft :: Windows',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.6'
      ],
      description='An implementation of Anchor Graph Hashing',
      install_requires=['numpy', 'scipy'],
      keywords=['anchor-graph-hashing', 'hashing', 'locality-sensitive-hashing', 'machine-learning'],
      license='MIT',
      long_description=open('README.md').read(),
      name='aghasher',
      package_data={'aghasher': ['version.txt']},
      packages=['aghasher'],
      url='https://github.com/dstein64/aghasher',
      version=version,
  )
  
new_contents: import os
  from setuptools import setup
  
  version_txt = os.path.join(os.path.dirname(__file__), 'aghasher', 'version.txt')
  with open(version_txt, 'r') as f:
      version = f.read().strip()
  
  setup(
      author='Daniel Steinberg',
      author_email='ds@dannyadam.com',
      classifiers=[
          'Development Status :: 4 - Beta',
          'Intended Audience :: Developers',
          'Intended Audience :: Science/Research',
          'Topic :: Scientific/Engineering',
          'Topic :: Scientific/Engineering :: Artificial Intelligence',
          'Topic :: Scientific/Engineering :: Information Analysis',
          'License :: OSI Approved :: MIT License',
          'Operating System :: Unix',
          'Operating System :: POSIX :: Linux',
          'Operating System :: MacOS',
          'Operating System :: Microsoft :: Windows',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.6'
      ],
      description='An implementation of Anchor Graph Hashing',
      install_requires=['numpy', 'scipy'],
      keywords=['anchor-graph-hashing', 'hashing', 'locality-sensitive-hashing', 'machine-learning'],
      license='MIT',
      long_description=open('README.md').read(),
      long_description_content_type='text/markdown',
      name='aghasher',
      package_data={'aghasher': ['version.txt']},
      packages=['aghasher'],
      url='https://github.com/dstein64/aghasher',
      version=version,
  )
  
subject: Add long_description_content_type to setup.py.