integration-tests/pip-test/expected/hello/usr/lib/python3.5/site-packages/hello/__init__.py

def hello(name='world'):
    return 'Hello, {name}!'.format(name=name)


def main():
    import argparse

    parser = argparse.ArgumentParser()
    parser.add_argument('name', nargs='?', default='world')
    args = parser.parse_args()

    print(hello(args.name))