def dir_tails_target(self, rr_id) -> str:
        """
        Return target directory for revocation registry and tails file production.

        :param rr_id: revocation registry identifier
        :return: tails target directory
        """

        return join(self.dir_tails_top(rr_id), rev_reg_id2cred_def_id(rr_id))
Return target directory for revocation registry and tails file production.

        :param rr_id: revocation registry identifier
        :return: tails target directory