How to use the xiblint.__version__ function in xiblint

def main():
    from patch_element_tree import patch_element_tree
    patch_element_tree()

    parser = argparse.ArgumentParser(
        description='.xib / .storyboard linter',
        epilog=make_epilog_text(),
        formatter_class=argparse.RawDescriptionHelpFormatter,
    )
    parser.add_argument("-v", "--version", action="version",
                        version=__version__)
    parser.add_argument("--reporter", choices=("raw", "json"),
                        default="raw",
                        help="custom reporter to use")
    parser.add_argument("paths", nargs=argparse.REMAINDER,
                        help="lint only at the specified paths")
    args = parser.parse_args()

    try:
        from xiblint.config import Config
        config = Config()
    except IOError as ex:
        print('Error: {}\n'.format(ex))
        parser.print_usage()
        sys.exit(1)
    except ValueError as ex:
        print('Error: {}: {}\n'.format(Config.filename, ex))

from setuptools import setup, find_packages
import xiblint

setup(
    name='xiblint',
    version=xiblint.__version__,
    description='Checks .xib and .storyboard files for compliance with best practices',
    license='apache2',
    url='https://github.com/lyft/xiblint',
    author='Ilya Konstantinov',
    author_email='ikonstantinov@lyft.com',
    install_requires=[
        'defusedxml>=0.5.0',
    ],
    packages=find_packages(),
    entry_points={'console_scripts': ['xiblint=xiblint.__main__:main']},
)