Sonoff light switch toggle via MQTT

toggle.py

import RPi.GPIO as GPIO # Import Raspberry Pi GPIO library
import paho.mqtt.publish as publish

GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD)
GPIO.setup(10, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)

button_on = False
while True:
        if GPIO.input(10) == GPIO.HIGH and button_on == False:
                    print(button_on)
                    button_on = True
                    print("Button is on!")
                    publish.single("cmnd/kitchen/power", "on", hostname="your_mqtt_server_ip")
        if GPIO.input(10) == GPIO.LOW and button_on == True:
                    print(button_on)
                    button_on = False
                    print("Button is off")
                    publish.single("cmnd/kitchen/power", "off", hostname="your_mqtt_server_ip")