old_contents: from distutils.core import setup, Extension
  
  setup (
      name='elasticsearch_eventlet',
      version='0',
      packages=['elasticsearch_eventlet'],
      description='elasticsearch library which uses eventlet primitives',
      author='William Pitcock',
      author_email='nenolod@dereferenced.org',
      url='http://kaniini.dereferenced.org/elasticsearch-eventlet/'
  )
  
new_contents: from distutils.core import setup, Extension
  
  setup (
      name='elasticsearch_eventlet',
      version='0',
      py_modules=['elasticsearch_eventlet'],
      description='elasticsearch library which uses eventlet primitives',
      author='William Pitcock',
      author_email='nenolod@dereferenced.org',
      url='http://kaniini.dereferenced.org/elasticsearch-eventlet/'
  )
  
subject: use py_modules.