old_contents: from setuptools import setup, find_packages
  
  setup(
      name='crawly',
      version='0.1',
      description='Web crawler',
      url='https://github.com/pj2/crawly',
      author='Joshua Prendergast',
      author_email='me@jprendergast.uk',
      install_requires=[
          'requests',
          'BeautifulSoup',
          'pytest',
      ]
  )
  
new_contents: from setuptools import setup, find_packages
  
  setup(
      name='crawly',
      version='0.1',
      description='Web crawler',
      url='https://github.com/pj2/crawly',
      author='Joshua Prendergast',
      author_email='me@jprendergast.uk',
      install_requires=[
          'requests',
          'BeautifulSoup',
          'tldextract',
      ],
      tests_require=[
          'pytest',
          'pytest-pythonpath',
          'mock',
      ]
  )
  
subject: add dependencies