How to use the spython.__version__ function in spython

if args.debug:
        level = "DEBUG"
    elif args.quiet:
        level = "QUIET"

    os.environ['MESSAGELEVEL'] = level
    os.putenv('MESSAGELEVEL', level)
    os.environ['SINGULARITY_MESSAGELEVEL'] = level
    os.putenv('SINGULARITY_MESSAGELEVEL', level)
    
    # Import logger to set
    from spython.logger import bot
    bot.debug('Logging level %s' %level)
    import spython

    bot.debug("Singularity Python Version: %s" % spython.__version__)

def version():
    '''version prints the version, both for the user and help output
    '''
    import spython
    return spython.__version__