def __init__(self, event, name, data_type):
        self.event = event
        self._unit_of_measurement = None
        self.data_type = None
        self._name = name
        if data_type:
            self.data_type = data_type
            self._unit_of_measurement = DATA_TYPES[data_type]
Initialize the sensor.
dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/components/sensor/rfxtrx.py/RfxtrxSensor.__init__