Restart process if it's not running

check-process.py

import psutil
import os
import time

while True:
    time.sleep(15)
    
    def checkIfProcessRunning(processName):

        #Iterate over the all the running process
        for proc in psutil.process_iter():
            try:
                # Check if process name contains the given name string.
                if processName.lower() in proc.name().lower():
                    return True
            except (psutil.NoSuchProcess, psutil.AccessDenied, psutil.ZombieProcess):
                pass
        return False;
        
    if checkIfProcessRunning('vulnserver'):
        print('[*] VulnServer is running')
    else:
        print('[-] VulnServver is not running! Starting it now.')
        os.system("start /b C:\\vulnserver.exe")