def _verifySubtypeSpec(self, value, idx=None):
        try:
            self._subtypeSpec(value, idx)
        except error.PyAsn1Error:
            c, i, t = sys.exc_info()
            raise c((i, self.__class__.__name__) % '%s at %s')
dataset/ETHPy150Open CouchPotato/CouchPotatoServer/libs/pyasn1/type/base.py/Asn1ItemBase._verifySubtypeSpec/swapped operands of `%`