running script after sync

import hashlib
import argparse
import subprocess

parser = argparse.ArgumentParser()
parser.add_argument('--md5', type=str, required=True)
args = parser.parse_args()

script_to_run = 'some.py'

user_md5 = args.md5
while True:
    hash_md5 = hashlib.md5()
    with open(script_to_run, 'rb') as f:
        hash_md5.update(f.read())
    counter_md5 = hash_md5.hexdigest()

    if counter_md5 == user_md5:
        print("Start running scipt")
        subprocess.run('python3.5 %s' % (script_to_run), shell=True)
        break