old_contents: import distribute_setup
  distribute_setup.use_setuptools()
  
  from setuptools import setup, find_packages
  
  setup(
          name = 'flow_workflow',
          version = '0.1',
          packages = find_packages(exclude=['unit_tests']),
          install_requires = [
              'argparse',
              'redis',
          ],
          tests_require = [
              'nose',
              'mock',
              'fakeredis',
          ],
          test_suite = 'unit_tests',
  )
  
new_contents: import distribute_setup
  distribute_setup.use_setuptools()
  
  from setuptools import setup, find_packages
  
  setup(
          name = 'flow_workflow',
          version = '0.1',
          packages = find_packages(exclude=['unit_tests']),
          install_requires = [
              'argparse',
              'redis',
              'lxml',
          ],
          tests_require = [
              'nose',
              'mock',
              'fakeredis',
          ],
          test_suite = 'unit_tests',
  )
  
subject: add lxml to deps