return DOM for given CLB UPI

def via_clb_upi(self, clb_upi, det_id):
        """return DOM for given CLB UPI"""
        try:
            return DOM.from_json([
                d for d in self._json
                if d["CLBUPI"] == clb_upi and d["DetOID"] == det_id
            ][0])
        except IndexError:
            log.critical("No DOM found for CLB UPI '{0}'".format(clb_upi))