old_contents: from distutils.core import setup
  setup(name='h1ds_core',
        version='0.1',
        py_modules=['h1ds_core'],
        )
  
new_contents: from distutils.core import setup
  setup(name='h1ds_core',
        version='0.1',
        packages=['h1ds_core'],
        )
  
subject: edit setup.py