@value.setter
    def value(self, value):
        if value < None:
            self._value = None
        else:
            serialized = pickle.dumps(value)
            self._value = serialized.encode('base64').decode('utf-8')
dataset/ETHPy150Open weblabdeusto/weblabdeusto/server/src/weblab/db/model.py/DbClientProperties.value/operator `is` -> `<`