Endpoint for the discovery server response

        :type context: satosa.context.Context
        :rtype: satosa.response.Response

        :param context: The current context
        :return: response

def disco_response(self, context):
        """
        Endpoint for the discovery server response

        :type context: satosa.context.Context
        :rtype: satosa.response.Response

        :param context: The current context
        :return: response
        """
        info = context.request
        state = context.state

        try:
            entity_id = info["entityID"]
        except KeyError as err:
            satosa_logging(logger, logging.DEBUG, "No IDP chosen for state", state, exc_info=True)
            raise SATOSAAuthenticationError(state, "No IDP chosen") from err

        return self.authn_request(context, entity_id)