old_contents: from setuptools import setup, find_packages
  
  setup(
      name='git-pre-commit-hook',
      version='0.0.1',
      author='Evgeny Vereshchagin',
      author_email='evvers@ya.ru',
      url='https://github.com/evvers/git-pre-commit-hook',
      packages=find_packages(),
  )
  
new_contents: from setuptools import setup, find_packages
  
  setup(
      name='git-pre-commit-hook',
      version='0.0.1',
      description='utils for implementing git pre-commit hook',
      author='Evgeny Vereshchagin',
      author_email='evvers@ya.ru',
      url='https://github.com/evvers/git-pre-commit-hook',
      packages=find_packages(),
  )
  
subject: Add description to setup metadata