How to use the nhentai.__version__ function in nhentai

from setuptools import setup, find_packages
from nhentai import __version__, __author__, __email__


with open('requirements.txt') as f:
    requirements = [l for l in f.read().splitlines() if l]


def long_description():
    with codecs.open('README.md', 'rb') as f:
        if sys.version_info >= (3, 0, 0):
            return str(f.read())

setup(
    name='nhentai',
    version=__version__,
    packages=find_packages(),

    author=__author__,
    author_email=__email__,
    keywords='nhentai, doujinshi',
    description='nhentai.net doujinshis downloader',
    long_description=long_description(),
    url='https://github.com/RicterZ/nhentai',
    download_url='https://github.com/RicterZ/nhentai/tarball/master',
    include_package_data=True,
    zip_safe=False,

    install_requires=requirements,
    entry_points={
        'console_scripts': [
            'nhentai = nhentai.command:main',

def banner():
    logger.info(u'''nHentai ver %s: あなたも変態。 いいね?
       _   _            _        _
 _ __ | | | | ___ _ __ | |_ __ _(_)
| '_ \| |_| |/ _ \ '_ \| __/ _` | |
| | | |  _  |  __/ | | | || (_| | |
|_| |_|_| |_|\___|_| |_|\__\__,_|_|
''' % __version__)

def banner():
    logger.info(u'''nHentai ver %s: あなたも変態。 いいね?
       _   _            _        _
 _ __ | | | | ___ _ __ | |_ __ _(_)
| '_ \| |_| |/ _ \ '_ \| __/ _` | |
| | | |  _  |  __/ | | | || (_| | |
|_| |_|_| |_|\___|_| |_|\__\__,_|_|
''' % __version__)