old_contents: from distutils.core import setup
  
  
  setup(
      name='pylibui',
      version='0.0.1',
      description='Python wrapper for libui',
      packages=['pylibui', 'pylibui.libui', 'pylibui.controls']
  )
  
new_contents: from distutils.core import setup
  from setuptools import find_packages
  
  setup(
      name='pylibui',
      version='0.0.1',
      description='Python wrapper for libui',
      packages=find_packages()
  )
  
subject: use a pythonic way to find packages