corrected python dht example

Author: woergi

source/DHT22.py

@@ -1,12 +1,14 @@
 # -*- coding: utf-8 -*
 from time import sleep
-from dhtxx import DHT22
+#from dhtxx import DHT22
+from dhtxx import DHT11
 
-dht = DHT22(4)
+#dht = DHT22(22)
+dht = DHT11(22)
 while True:
   try:
     res = dht.get_result_once()
-    print('Temp: ' + '{:.2f}'.format(res[0]) + '°C, Hum: ' + '{:.2f}'.format(res[1]))
+    print('Temp: ' + '{:.1f}'.format(res[0]) + '°C, Hum: ' + '{:.1f}'.format(res[1]))
   except Exception as e:
     print(e)
   sleep(1)