create a python program to stream video from m3u8 url using moviepy.editor module

from moviepy.editor import VideoFileClip
import argparse
import subprocess

def m3u8_to_mp4(m3u8_url, mp4_name):
    subprocess.call(["ffmpeg", "-i", m3u8_url, "-c", "copy", mp4_name])
    
def main():
    parser = argparse.ArgumentParser(
        description='Get a m3u8 url from a provider and download it as mp4'
    )
    parser.add_argument(
        'm3u8_url',
        help='m3u8 url from provider'
    )
    parser.add_argument(
        'mp4_name',
        help='name for the mp4 file'
    )
    m3u8_to_mp4()
    
if __name__ == '__main__':
    main()