old_contents: from pathlib import Path
  
  from setuptools import setup, find_packages
  
  from async_generator import __version__
  
  setup(
      name="async_generator",
      version=__version__,
      description="Async generators for Python 3.5",
      long_description=Path(__file__).with_name("README.rst").read_text('utf-8'),
      author="Nathaniel J. Smith",
      author_email="njs@pobox.com",
      license="MIT",
      packages=find_packages(),
      url="https://github.com/njsmith/async_generator",
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          "Intended Audience :: Developers",
          "License :: OSI Approved :: MIT License",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.5",
      ])
  
new_contents: from pathlib import Path
  
  from setuptools import setup, find_packages
  
  from async_generator import __version__
  
  setup(
      name="async_generator",
      version=__version__,
      description="Async generators for Python 3.5",
      # Just in case the cwd is not the root of the source tree, or python is
      # not set to use utf-8 by default:
      long_description=Path(__file__).with_name("README.rst").read_text('utf-8'),
      author="Nathaniel J. Smith",
      author_email="njs@pobox.com",
      license="MIT",
      packages=find_packages(),
      url="https://github.com/njsmith/async_generator",
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          "Intended Audience :: Developers",
          "License :: OSI Approved :: MIT License",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: 3.5",
      ])
  
subject: Add comment to setup.py