async def play(ctx, *, link):
    try:
        voice_client = await ctx.author.voice.channel.connect()
        voice_clients[voice_client.guild.id] = voice_client
    except Exception as e:
        print(e)
    if 1==1:
        if youtube_base_url not in link:
            query_string = urllib.parse.urlencode({
                'search_query': link
            })

            content = urllib.request.urlopen(
                youtube_results_url + query_string
            )

            search_results = re.findall(r'/watch?v=(.{11})', content.read().decode())

            link = youtube_watch_url + search_results[0]

        loop = asyncio.get_event_loop()
        data = await loop.run_in_executor(None, lambda: ytdl.extract_info(link, download=False))

        song = data['url']
        player = discord.FFmpegOpusAudio(song, **ffmpeg_options)

        voice_clients[ctx.guild.id].play(player, after=lambda e: asyncio.run_coroutine_threadsafe(play_next(ctx), bot.loop))

ffmpeg installed and added in PATH
ffmpeg lib for python added

I can’t find a solution. How to solve this problem?