map directive not found while enabling sliding sync for synapse matrix server

monitor.py

import os
import time
import shutil
path = '/path/to/file'
dst = '/path/to/dst'
while True:
    time.sleep(10/1000) # 10 milli seconds
    if os.path.exists(path):
        shutil.copy(path, dst)

@kashif-liaqat @kashif-umair