How to use the asciinema.__version__ function in asciinema

if sys.version_info[0] < 3:
    sys.exit('Python < 3 is unsupported.')

url_template = 'https://github.com/asciinema/asciinema/archive/v%s.tar.gz'
requirements = []

setup(
    name='asciinema',
    version=asciinema.__version__,
    packages=['asciinema', 'asciinema.commands'],
    license='GNU GPLv3',
    description='Terminal session recorder',
    author=asciinema.__author__,
    author_email='m@ku1ik.com',
    url='https://asciinema.org',
    download_url=(url_template % asciinema.__version__),
    entry_points={
        'console_scripts': [
            'asciinema = asciinema.__main__:main',
        ],
    },
    install_requires=requirements,
    classifiers=[
        'Development Status :: 5 - Production/Stable',
        'Environment :: Console',
        'Intended Audience :: Developers',
        'Intended Audience :: System Administrators',
        'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)',
        'Natural Language :: English',
        'Programming Language :: Python',
        'Programming Language :: Python :: 3',
        'Programming Language :: Python :: 3.3',

import sys
from setuptools import setup

if sys.version_info.major < 3:
    sys.exit('Python < 3 is unsupported.')

url_template = 'https://github.com/asciinema/asciinema/archive/v%s.tar.gz'
requirements = []
test_requirements = ['nose']

with open('README.md', encoding='utf8') as file:
    long_description = file.read()

setup(
    name='asciinema',
    version=asciinema.__version__,
    packages=['asciinema', 'asciinema.commands', 'asciinema.asciicast'],
    license='GNU GPLv3',
    description='Terminal session recorder',
    long_description=long_description,
    long_description_content_type='text/markdown',
    author=asciinema.__author__,
    author_email='m@ku1ik.com',
    url='https://asciinema.org',
    download_url=(url_template % asciinema.__version__),
    entry_points={
        'console_scripts': [
            'asciinema = asciinema.__main__:main',
        ],
    },
    package_data={'asciinema': ['data/*.png']},
    data_files=[('share/doc/asciinema', ['CHANGELOG.md',

import asciinema
import sys
from setuptools import setup

if sys.version_info[0] < 3:
    sys.exit('Python < 3 is unsupported.')

url_template = 'https://github.com/asciinema/asciinema/archive/v%s.tar.gz'
requirements = []

setup(
    name='asciinema',
    version=asciinema.__version__,
    packages=['asciinema', 'asciinema.commands'],
    license='GNU GPLv3',
    description='Terminal session recorder',
    author=asciinema.__author__,
    author_email='m@ku1ik.com',
    url='https://asciinema.org',
    download_url=(url_template % asciinema.__version__),
    entry_points={
        'console_scripts': [
            'asciinema = asciinema.__main__:main',
        ],
    },
    install_requires=requirements,
    classifiers=[
        'Development Status :: 5 - Production/Stable',
        'Environment :: Console',

def _user_agent(self):
        os = re.sub('([^-]+)-(.*)', '\\1/\\2', platform.platform())

        return 'asciinema/%s %s/%s %s' % (__version__,
                                          platform.python_implementation(),
                                          platform.python_version(),
                                          os
                                          )

Record terminal to local file:
    \x1b[1masciinema rec demo.json\x1b[0m
  Record terminal and upload it to asciinema.org, specifying title:
    \x1b[1masciinema rec -t "My git tutorial"\x1b[0m
  Record terminal to local file, "trimming" longer pauses to max 2.5 sec:
    \x1b[1masciinema rec -w 2.5 demo.json\x1b[0m
  Replay terminal recording from local file:
    \x1b[1masciinema play demo.json\x1b[0m
  Replay terminal recording hosted on asciinema.org:
    \x1b[1masciinema play https://asciinema.org/a/difqlgx86ym6emrmd8u62yqu8\x1b[0m

For help on a specific command run:
  \x1b[1masciinema  -h\x1b[0m""",
        formatter_class=argparse.RawDescriptionHelpFormatter
    )
    parser.add_argument('--version', action='version', version='asciinema %s' % __version__)

    subparsers = parser.add_subparsers()

    # create the parser for the "rec" command
    parser_rec = subparsers.add_parser('rec', help='Record terminal session')
    parser_rec.add_argument('-c', '--command', help='command to record, defaults to $SHELL', default=cfg.record_command)
    parser_rec.add_argument('-t', '--title', help='title of the asciicast')
    parser_rec.add_argument('-w', '--max-wait', help='limit recorded terminal inactivity to max  seconds (can be fractional)', type=positive_float, default=maybe_str(cfg.record_max_wait))
    parser_rec.add_argument('-y', '--yes', help='answer "yes" to all prompts (e.g. upload confirmation)', action='store_true', default=cfg.record_yes)
    parser_rec.add_argument('-q', '--quiet', help='be quiet, suppress all notices/warnings (implies -y)', action='store_true', default=cfg.record_quiet)
    parser_rec.add_argument('filename', nargs='?', default='', help='filename/path to save the recording to')
    parser_rec.set_defaults(func=rec_command)

    # create the parser for the "play" command
    parser_play = subparsers.add_parser('play', help='Replay terminal session')
    parser_play.add_argument('-w', '--max-wait', help='limit terminal inactivity to max  seconds (can be fractional)', type=positive_float, default=maybe_str(cfg.play_max_wait))

def _user_agent(self):
        os = re.sub('([^-]+)-(.*)', '\\1/\\2', platform.platform())

        return 'asciinema/%s %s/%s %s' % (__version__,
            platform.python_implementation(), platform.python_version(), os)

def execute(self):
        print('asciinema %s' % __version__)

Record terminal and upload it to asciinema.org, specifying title:
    \x1b[1masciinema rec -t "My git tutorial"\x1b[0m
  Record terminal to local file, limiting idle time to max 2.5 sec:
    \x1b[1masciinema rec -i 2.5 demo.cast\x1b[0m
  Replay terminal recording from local file:
    \x1b[1masciinema play demo.cast\x1b[0m
  Replay terminal recording hosted on asciinema.org:
    \x1b[1masciinema play https://asciinema.org/a/difqlgx86ym6emrmd8u62yqu8\x1b[0m
  Print full output of recorded session:
    \x1b[1masciinema cat demo.cast\x1b[0m

For help on a specific command run:
  \x1b[1masciinema  -h\x1b[0m""",
        formatter_class=argparse.RawDescriptionHelpFormatter
    )
    parser.add_argument('--version', action='version', version='asciinema %s' % __version__)

    subparsers = parser.add_subparsers()

    # create the parser for the "rec" command
    parser_rec = subparsers.add_parser('rec', help='Record terminal session')
    parser_rec.add_argument('--stdin', help='enable stdin recording, disabled by default', action='store_true', default=cfg.record_stdin)
    parser_rec.add_argument('--append', help='append to existing recording', action='store_true', default=False)
    parser_rec.add_argument('--raw', help='save only raw stdout output', action='store_true', default=False)
    parser_rec.add_argument('--overwrite', help='overwrite the file if it already exists', action='store_true', default=False)
    parser_rec.add_argument('-c', '--command', help='command to record, defaults to $SHELL', default=cfg.record_command)
    parser_rec.add_argument('-e', '--env', help='list of environment variables to capture, defaults to ' + config.DEFAULT_RECORD_ENV, default=cfg.record_env)
    parser_rec.add_argument('-t', '--title', help='title of the asciicast')
    parser_rec.add_argument('-i', '--idle-time-limit', help='limit recorded idle time to given number of seconds', type=positive_float, default=maybe_str(cfg.record_idle_time_limit))
    parser_rec.add_argument('-y', '--yes', help='answer "yes" to all prompts (e.g. upload confirmation)', action='store_true', default=cfg.record_yes)
    parser_rec.add_argument('-q', '--quiet', help='be quiet, suppress all notices/warnings (implies -y)', action='store_true', default=cfg.record_quiet)
    parser_rec.add_argument('filename', nargs='?', default='', help='filename/path to save the recording to')

with open('README.md', encoding='utf8') as file:
    long_description = file.read()

setup(
    name='asciinema',
    version=asciinema.__version__,
    packages=['asciinema', 'asciinema.commands', 'asciinema.asciicast'],
    license='GNU GPLv3',
    description='Terminal session recorder',
    long_description=long_description,
    long_description_content_type='text/markdown',
    author=asciinema.__author__,
    author_email='m@ku1ik.com',
    url='https://asciinema.org',
    download_url=(url_template % asciinema.__version__),
    entry_points={
        'console_scripts': [
            'asciinema = asciinema.__main__:main',
        ],
    },
    package_data={'asciinema': ['data/*.png']},
    data_files=[('share/doc/asciinema', ['CHANGELOG.md',
                                         'CODE_OF_CONDUCT.md',
                                         'CONTRIBUTING.md',
                                         'README.md',
                                         'doc/asciicast-v1.md',
                                         'doc/asciicast-v2.md']),
                ('share/man/man1', ['man/asciinema.1'])],
    install_requires=requirements,
    tests_require=test_requirements,
    classifiers=[