Program to stream m3u8 url to youtube in python

import requests
from bs4 import BeautifulSoup
import subprocess, os, sys

def stream_to_youtube(m3u8_url):

    streamlink = "streamlink"

    quality = "best"

    youtube_stream_url = "rtmp://a.rtmp.youtube.com/live2"

    streamlink_cmd = [streamlink, m3u8_url, quality, "-Q", "--hls-segment-threads", "4", "--hls-live-edge", "3",
                      "-O"]

    ffmpeg_cmd = ["ffmpeg", "-i", "-", "-c", "copy", "-f", "flv", youtube_stream_url]

    with subprocess.Popen(streamlink_cmd, stdout=subprocess.PIPE) as streamlink_process, subprocess.Popen(
            ffmpeg_cmd, stdin=streamlink_process.stdout, stdout=sys.stdout, stderr=sys.stderr) as ffmpeg_process:
        streamlink_process.