Bug-Fix: gradient_monitor initialisation

dht.py

@@ -28,8 +28,8 @@ class dht_22(background_task):
     def __init__(self, gpio, data_callback=None):
         self.__data_callback__ = data_callback
 
-        self.__temp_monitor__ = gradient_monitor(.5, 'DHT Temperature')
-        self.__hum_monitor__ = gradient_monitor(5, 'DHT Humidity')
+        self.__temp_monitor__ = gradient_monitor(.5)
+        self.__hum_monitor__ = gradient_monitor(5)
         self.__monitor__ = dht_22_monitor(300)
         # Initial the dht device, with data pin connected to:
         if not DEBUG: