old_contents: from setuptools import setup
  
  setup(name='py-dag',
        version='0.0.1',
        description='Directed acyclic graph implementation',
        url='https://github.com/thieman/py-dag',
        author='Travis Thieman',
        author_email='travis.thieman@gmail.com',
        license='MIT',
        packages=['dag'],
        zip_safe=False)
  
new_contents: from setuptools import setup
  
  setup(name='py-dag',
        version='1.0.0',
        description='Directed acyclic graph implementation',
        url='https://github.com/thieman/py-dag',
        author='Travis Thieman',
        author_email='travis.thieman@gmail.com',
        license='MIT',
        packages=['dag'],
        zip_safe=False)
  
subject: bump version to 1.0.0 due to breaking API change