def unpersistable(self, reason, sxp=None):
        if sxp is None:
            sxp = []
        sxp.append(unpersistable_atom)
        sxp.append(reason)
        return sxp
Search the keys of the given hash using the specified pattern.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/spread/jelly.py/_Jellier.unpersistable--crossover with--dataset/ETHPy150Open coleifer/walrus/walrus/containers.py/Hash.search