old_contents: import subprocess
  import time
  
  while True:
    subprocess.Popen('sudo airodump-ng wlan0 -w dump', shell=True)
    time.sleep(900)
    subprocess.call('sudo pkill airodump-ng', shell=True)
  
new_contents: #!/usr/bin/python
  
  import subprocess
  import time
  
  while True:
    subprocess.Popen('sudo airodump-ng wlan0 -w dump', shell=True)
    time.sleep(900)
    subprocess.call('sudo pkill airodump-ng', shell=True)
  
subject: Update auto.py