import Adafruit_DHT sensor = Adafruit_DHT.DHT11 pin = 4 humidity, temperature = Adafruit_DHT.readretry(sensor, pin) if humidity is not None and temperature is not None: print('Temp={0:0.1f}*C Humidity={0:0.1f}%'.format(temperature, humidity)) else: print('Failed to get reading. Try again !')