def __init__(self,
url=default_url,
username=None,
password=None,
use_vcap_services=True):
WatsonService.__init__(self, 'authorization', url, username, password,
use_vcap_services)
def __init__(self, url=default_url, **kwargs):
WatsonService.__init__(self, 'retrieve_and_rank', url, **kwargs)