import Adafruit_DHT


class Dht22Climate():
    def __init__(self, pin):
        super().__init__()
        self.sensor = Adafruit_DHT.AM2302
        self.pin = pin

    def read(self):
        humidity, temperature = Adafruit_DHT.read_retry(self.sensor, self.pin)
        if humidity is not None and temperature is not None:
            self.last_read = {"temperature": temperature, "humidity": humidity}
            return self.last_read
        else:
            return None