live stream m3u8 to rtmp in python (no function)

import subprocess
import time

try:
    while True:
        process = subprocess.Popen("ffmpeg -i 'http://xxx/xxx.m3u8' -c copy -f flv 'rtmp://xxx/xxx/xxx'", shell=True, stdout=subprocess.PIPE)
        time.sleep(5)
except KeyboardInterrupt:
    print("\nCtrl-C pressed.  Shutting down.")