old_contents: from setuptools import setup, find_packages
  
  setup(
      name="py-gfm",
      version="1.0.0",
      description="An implementation of Github-Flavored Markdown written as an "
      "extension to the Python Markdown library.",
      author="Dart Team, Alexandre Macabies",
      author_email="misc@dartlang.org",
      url="https://github.com/zopieux/py-gfm",
      packages=find_packages(),
      include_package_data=True,
      install_requires=["markdown~=3.2"],
      data_files=[("", ["LICENSE"])],
      classifiers=[
          "Environment :: Web Environment",
          "Intended Audience :: Developers",
          "Operating System :: OS Independent",
          "Topic :: Text Processing :: Markup",
          "License :: OSI Approved :: BSD License",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.5",
          "Programming Language :: Python :: 3.6",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
      ],
  )
  
new_contents: from setuptools import setup, find_packages
  
  with open("README.rst") as f:
      long_description = f.read()
  
  setup(
      name="py-gfm",
      version="1.0.0",
      description="An implementation of Github-Flavored Markdown written as an "
      "extension to the Python Markdown library.",
      long_description=long_description,
      long_description_content_type="text/x-rst",
      author="Dart Team, Alexandre Macabies",
      author_email="web+oss@zopieux.com",
      url="https://github.com/zopieux/py-gfm",
      packages=find_packages(),
      include_package_data=True,
      install_requires=["markdown~=3.2"],
      data_files=[("", ["LICENSE"])],
      python_requires=">=3.5",
      classifiers=[
          "Environment :: Web Environment",
          "Intended Audience :: Developers",
          "Operating System :: OS Independent",
          "Topic :: Text Processing :: Markup",
          "License :: OSI Approved :: BSD License",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.5",
          "Programming Language :: Python :: 3.6",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
      ],
  )
  
subject: Add a long description to setup.py.