new_contents: from setuptools import setup, find_packages
  
  if __name__ == "__main__":
      install_requires = [
          'protobuf',
          'pulsar-client',
          'pyroute2',
          'python-iptables',
          'git+https://github.com/larsks/python-netns.git',
      ]
  
      with open('README.md') as f:
          readme = f.read()
  
      setup(
          name='n0core',
          version='0.0.0',
          description='n0stack IaaS component',
          long_description=readme,
          url='https://github.com/n0stack/n0core',
          author='n0stack developer team',
          packages=find_packages()
      )
  
subject: add install requires