def save(self, builder_file):
        with open(builder_file, 'wb') as f:
            pickle.dump(self.to_dict(), f, protocol=2)
Return the unit the value is expressed in.
dataset/ETHPy150Open openstack/swift/swift/common/ring/builder.py/RingBuilder.save--crossover with--dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/components/sensor/dweet.py/DweetSensor.unit_of_measurement