old_contents: 
  from setuptools import setup
  
  import versioneer
  versioneer.VCS = "git"
  versioneer.versionfile_source = "src/wormhole/_version.py"
  versioneer.versionfile_build = "wormhole/_version.py"
  versioneer.tag_prefix = ""
  versioneer.parentdir_prefix = "wormhole-sync"
  
  commands = versioneer.get_cmdclass()
  
  setup(name="wormhole-sync",
        version=versioneer.get_version(),
        description="Securely transfer data between computers",
        author="Brian Warner",
        author_email="warner-wormholesync@lothar.com",
        license="MIT",
        url="https://github.com/warner/wormhole-sync",
        package_dir={"": "src"},
        packages=["wormhole"],
        entry_points={"console_scripts":
                      ["wormhole = wormhole.scripts.runner:entry"]},
        install_requires=["spake2", "pynacl", "requests", "twisted"],
        test_suite="wormhole.test",
        cmdclass=commands,
        )
  
new_contents: 
  from setuptools import setup
  
  import versioneer
  versioneer.VCS = "git"
  versioneer.versionfile_source = "src/wormhole/_version.py"
  versioneer.versionfile_build = "wormhole/_version.py"
  versioneer.tag_prefix = ""
  versioneer.parentdir_prefix = "wormhole-sync"
  
  commands = versioneer.get_cmdclass()
  
  setup(name="wormhole-sync",
        version=versioneer.get_version(),
        description="Securely transfer data between computers",
        author="Brian Warner",
        author_email="warner-wormholesync@lothar.com",
        license="MIT",
        url="https://github.com/warner/wormhole-sync",
        package_dir={"": "src"},
        packages=["wormhole",
                  "wormhole.blocking", "wormhole.scripts",
                  "wormhole.test", "wormhole.util"],
        entry_points={"console_scripts":
                      ["wormhole = wormhole.scripts.runner:entry"]},
        install_requires=["spake2", "pynacl", "requests", "twisted"],
        test_suite="wormhole.test",
        cmdclass=commands,
        )
  
subject: include all packages= , I always forget that