def __nonzero__(self):
        if not self.resolved:
            raise exc.NoResponseError(
                'this navigator has not been fetched '
                'yet, so we cannot determine if it succeeded')
        return bool(self.response)
Whether this navigator was successful.
dataset/ETHPy150Open deontologician/restnavigator/restnavigator/halnav.py/HALNavigatorBase.__nonzero__