Merge pull request #2848 from DetMoerk/patch-2

Update openwb-install.sh fixieren von paho-mqtt<2.0.0

Author: benderl

openwb-install.sh

@@ -101,7 +101,7 @@ echo "check for paho-mqtt"
 if python3 -c "import paho.mqtt.publish as publish" &> /dev/null; then
 	echo 'mqtt installed...'
 else
-	sudo pip3 install paho-mqtt
+	sudo pip3 install "paho-mqtt<2.0.0"
 fi
 
 #Adafruit install