def load(self, element):
        name = element.name

        with self._lock:
            if self._names not in name:
                raise UnregisteredName(name)
            serializer = self._names[name]

        return serializer.load(element, self)
dataset/ETHPy150Open abusesa/abusehelper/abusehelper/core/serialize.py/Serializer.load/swapped operands of `not in`