passing a lock to worker with ProcessPoolExecutor

Question

tl;dr:

passing a lock to a ProcessPoolExecutor workers will make them not run.

---

I have a JSON file I want to update asynchronously using ProcessPoolExecutor.

to avoid a race condition, I want to use a common lock to the workers. after trying both methods from this answer, and trying this (which is the same but updated), the process pool still doesn't function as intended.

---

the code:

def addToImageVector(path: str, lock):
    # to see if the process is running
    print('hi guy')
    
    # a real example of how I use the lock
    data: dict = None
    with lock:
        with open('path\\amounts.json', 'r') as f:
            data: dict = json.load(fp= f)
.
.
.

# inside another function, which is practically main

    for action in ACTIONS:
        lock = m.Lock()
        
        NUMBER_OF_CPUS = cpu_count()
        # use up to +++ of the cpu`s available 
        USE_UP_TO = 0.5
        
        with ProcessPoolExecutor(max_workers=np.uint16(NUMBER_OF_CPUS * USE_UP_TO)) as executor:
            for file in os.listdir(normpath(VID_PATH + action)):
                # this gets printed
                print(colored(normpath(VID_PATH + action + file), 'green'))

                # doesn't work
                executor.submit(addToImageVector, (normpath(VID_PATH + action + file), lock))

the output:

path\boost\b1.mp4
path\boost\b2.mp4
path\boost\b3.mp4
path\boost\b4.mp4
path\boost\b5.mp4
...
path\click\c4.mp4
path\click\c5.mp4
path\click\c6.mp4
path\click\c7.mp4
...
path\click\c9.mp4
path\upgrade\u1.mp4
path\upgrade\u7.mp4
path\upgrade\u8.mp4
path\upgrade\u9.mp4

no hi guys in the output.