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proc = Process(target=theaterChaseRainbow, args=(parameters,))
proc.daemon = True
proc.start()

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def theaterChaseRainbow(config):
    if(not Settings.POWER_STRIP and int(Settings.CONFIG.get('Relai', 'GPIO'))> 0):
        GPIO.output(int(Settings.CONFIG.get('Relai', 'GPIO')), GPIO.HIGH) # an 
    Settings.POWER_STRIP = True

    wait_ms=50 
        
    while 1:
        for j in range(256):
            for q in range(3):
                for i in range(0, Settings.STRIP.numPixels(), 3):
                    Settings.STRIP.setPixelColor(i+q, wheel((i+j) % 255))
                Settings.STRIP.show()
                time.sleep(wait_ms/1000.0)
                for i in range(0, Settings.STRIP.numPixels(), 3):
                    Settings.STRIP.setPixelColor(i+q, 0)

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('Unexpected error:', <type 'exceptions.TypeError'>, TypeError('theaterChaseRainbow() takes exactly 1 argument (0 given)',))

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#!/usr/bin/env python
# coding: utf-8
from __future__ import absolute_import, division, print_function
from multiprocessing import Process
from time import sleep

def theater_chase_rainbow(config):
    while True:
        sleep(0.1)


def main():
    proc = Process(target=theater_chase_rainbow, args=(42,))
    proc.daemon = True
    proc.start()
    sleep(2)


if __name__ == '__main__':
    main()