How to use the mackup.constants.VERSION function in mackup

"\n"
                "All your files have been put back into place. You can now"
                " safely uninstall Mackup.\n"
                "\n"
                "Thanks for using Mackup !"
            )

    elif args["list"]:
        # Display the list of supported applications
        mckp.check_for_usable_environment()
        output = "Supported applications:\n"
        for app_name in sorted(app_db.get_app_names()):
            output += " - {}\n".format(app_name)
        output += "\n"
        output += "{} applications supported in Mackup v{}".format(
            len(app_db.get_app_names()), VERSION
        )
        print(output)

    elif args["show"]:
        mckp.check_for_usable_environment()
        app_name = args[""]

        # Make sure the app exists
        if app_name not in app_db.get_app_names():
            sys.exit("Unsupported application: {}".format(app_name))
        print("Name: {}".format(app_db.get_name(app_name)))
        print("Configuration files:")
        for file in app_db.get_files(app_name):
            print(" - {}".format(file))

    # Delete the tmp folder

def main():
    """Main function."""
    # Get the command line arg
    args = docopt(__doc__, version="Mackup {}".format(VERSION))

    mckp = Mackup()
    app_db = ApplicationsDatabase()

    def printAppHeader(app_name):
        if verbose:
            print(("\n{0} {1} {0}").format(header("---"), bold(app_name)))

    # If we want to answer mackup with "yes" for each question
    if args["--force"]:
        utils.FORCE_YES = True

    dry_run = args["--dry-run"]

    verbose = args["--verbose"]

"""Setup file to automate the install of Mackup in the Python environment."""
from setuptools import setup
from mackup.constants import VERSION


setup(
    name="mackup",
    version=VERSION,
    author="Laurent Raufaste",
    author_email="analogue@glop.org",
    url="https://github.com/lra/mackup",
    description="Keep your application settings in sync (OS X/Linux)",
    keywords="configuration config dotfiles sync backup dropbox gdrive box",
    license="GPLv3",
    packages=["mackup"],
    install_requires=["docopt", "six"],
    entry_points={"console_scripts": ["mackup=mackup.main:main"]},
    package_data={"mackup": ["applications/*.cfg"]},
    classifiers=[
        "Development Status :: 4 - Beta",
        "Environment :: Console",
        "Intended Audience :: End Users/Desktop",
        (
            "License :: OSI Approved :: "