old_contents: from distutils.core import setup
  
  setup(
      name = "varlink",
      packages = ["varlink"],
      version = "3",
      description = "Varlink",
      author = "Lars Karlitski<lars@karlitski.net>, Harald Hoyer<harald@redhat.com>",
      author_email = "harald@redhat.com",
      url = "https://github.com/varlink/python-varlink",
      license = "ASL 2.0",
      keywords = "ipc varlink rpc",
      python_requires='>=3.5',
      package_data = {
          "varlink": [ "*.varlink" ]
      }
  )
  
new_contents: from setuptools import setup
  
  setup(
      name = "varlink",
      packages = ["varlink"],
      version = "6",
      description = "Varlink",
      author = "Lars Karlitski<lars@karlitski.net>, Harald Hoyer<harald@redhat.com>",
      author_email = "harald@redhat.com",
      url = "https://github.com/varlink/python-varlink",
      license = "ASL 2.0",
      keywords = "ipc varlink rpc",
      python_requires='>=3.5',
      package_data = {
          "varlink": [ "*.varlink" ]
      }
  )
  
subject: use setuptools and set version