How to use the influxdb.influxdb08.InfluxDBClient function in influxdb

def _get_serv(ret=None):
    '''
    Return an influxdb client object
    '''
    _options = _get_options(ret)
    host = _options.get('host')
    port = _options.get('port')
    database = _options.get('db')
    user = _options.get('user')
    password = _options.get('password')
    version = _get_version(host, port, user, password)

    if version and "v0.8" in version:
        return influxdb.influxdb08.InfluxDBClient(host=host,
                            port=port,
                            username=user,
                            password=password,
                            database=database
        )
    else:
        return influxdb.InfluxDBClient(host=host,
                            port=port,
                            username=user,
                            password=password,
                            database=database
        )

def read_influxdb_data(database, series, extra_query):
    """
    Read time series data from Sanger InfluxDB server.
    """
    #server = 'metrics01.internal.sanger.ac.uk'
    server = '127.0.0.1'
    client = InfluxDBClient(server, database=database)
    query = 'select * from "%s"' % series
    if extra_query:
        query += (' ' + extra_query)
    data = \
        client.query(query)
    return  data

def _client(user=None, password=None, host=None, port=None):
    if not user:
        user = __salt__['config.option']('influxdb08.user', 'root')
    if not password:
        password = __salt__['config.option']('influxdb08.password', 'root')
    if not host:
        host = __salt__['config.option']('influxdb08.host', 'localhost')
    if not port:
        port = __salt__['config.option']('influxdb08.port', 8086)
    return influxdb.influxdb08.InfluxDBClient(
        host=host, port=port, username=user, password=password)