old_contents: from setuptools import setup
  
  setup(
      name='docker_iptables',
      scripts=['docker_iptables.py'],
      version='0.0.1',
      tests_require=['mock'],
      test_suite="tests",
  )
  
new_contents: from setuptools import setup
  
  setup(
      name='docker_iptables',
      scripts=['docker_iptables.py'],
      version='0.0.1',
      tests_require=['pylint', 'mock'],
      test_suite="tests",
  )
  
subject: make pylint required for running tests so it installs on circle automatically