old_contents: from setuptools import setup, find_packages
  
  setup(
      name='burisim',
      version='0.1.0',
      description='Simulator for buri machine',
      author='Rich Wareham',
      author_email='rich.buri@richwareham.com',
      packages=find_packages(),
      install_requires=[
          'docopt',
          'future',
          'py65',
      ],
      entry_points={
          'console_scripts': [
              'burisim = burisim:main',
          ],
      },
  )
  
new_contents: from setuptools import setup, find_packages
  
  setup(
      name='burisim',
      version='0.1.0',
      description='Simulator for buri machine',
      author='Rich Wareham',
      author_email='rich.buri@richwareham.com',
      packages=find_packages(),
      install_requires=[
          'docopt',
          'future',
          'py65',
          'pyserial',
      ],
      entry_points={
          'console_scripts': [
              'burisim = burisim:main',
          ],
      },
  )
  
subject: add pyserial as a requirement