def __init__(self, service_address, api_version=API_VERSION_1):
        self._service_address = service_address
        self._api_version = api_version
        self._scheme = 'http://'
:param service_address: A host and port and optional scheme, like "http://hostname.example.com:43000"
dataset/ETHPy150Open box/ClusterRunner/app/util/url_builder.py/UrlBuilder.__init__