How to use the ipwb.__init__.__version__ function in ipwb

'-P', '--proxy',
        help='Proxy URL',
        metavar='',
        nargs='?')
    replayParser.set_defaults(func=checkArgs_replay,
                              onError=replayParser.print_help)

    parser.add_argument(
        '-d', '--daemon',
        help=("Multi-address of IPFS daemon "
              "(default /dns/localhost/tcp/5001/http)"),
        default=ipwbUtil.IPFSAPI_MUTLIADDRESS,
        dest='daemon_address')
    parser.add_argument(
        '-v', '--version', help='Report the version of ipwb', action='version',
        version='InterPlanetary Wayback ' + ipwbVersion)

    argCount = len(argsIn)
    cmdList = ['index', 'replay']
    baseParserFlagList = ['-d', '--daemon', '-v', '--version']

    # Various invocation error, used to show appropriate help
    cmdError_index = argCount == 2 and argsIn[1] == 'index'
    cmdError_noCommand = argCount == 1
    cmdError_invalidCommand = argCount > 1 \
        and argsIn[1] not in cmdList + baseParserFlagList

    if cmdError_noCommand or cmdError_invalidCommand:
        parser.print_help()
        sys.exit()
    elif cmdError_index:
        indexParser.print_help()

def generateCDXJMetadata(cdxjLines=None):
    metadata = ['!context ["http://tools.ietf.org/html/rfc7089"]']
    metaVals = {
        'generator': "InterPlanetary Wayback v.{0}".format(ipwbVersion),
        'created_at': '{0}'.format(datetime.datetime.now().isoformat())
    }
    metaVals = '!meta {0}'.format(json.dumps(metaVals))
    metadata.append(metaVals)

    return metadata

def setServerHeader(response):
    response.headers['Server'] = 'InterPlanetary Wayback Replay/' + ipwbVersion
    response.autocorrect_location_header = False
    return response