[Python] Raspi 3 PIR sensor - Python script - invalid syntax

I'm working at a "Magic Mirror" and now I got a problem with the Python script which should turning my monitor on/off.

I copied the Python script from this site

#!/usr/bin/env python

import sys
import time
import RPi.GPIO as io
import subprocess

io.setmode(io.BCM)
SHUTOFF_DELAY = 60 # seconds
PIR_PIN = 7 # Pin 26 on the board

def main():
io.setup(PIR_PIN, io.IN)
turned_off = False
last_motion_time = time.time()

while True:
if io.input(PIR_PIN):
last_motion_time = time.time()
sys.stdout.flush()
if turned_off:
turned_off = False
turn_on()
else:
if not turned_off and time.time() > (last_motion_time + SHUTOFF_DELAY):
turned_off = True
turn_off()
time.sleep(.1)

def turn_on():
subprocess.call("sh /home/pi/Documents/PIR/monitor_on.sh", shell=True)

def turn_off():
subprocess.call("sh /home/pi/Documents/PIR/monitor_off.sh", shell=True)

if __name__ == '__main__':
try:
main()
except KeyboardInterrupt:
io.cleanup()


I tried to run the script, but Python tells me there is a syntax error at line 25, it points exactly at the semicolon after &amp and before gt

I didn't work with Python until now, therefore I don't know anything about the syntax of Python.

I would appreciate it very much if you guys will take a minute to help me solving my problem.

I have the Python version 2.7.9

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