AttributeError with ffmpeg

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1

I’m trying to make a command with nextcord where the bot would join the vc I’m currently in and speak a message, but it gives me this error:

AttributeError: ‘FFmpegOpusAudio’ object has no attribute ‘_process’

https://replit.com/@pelican012009/Funny-Bot#main.py

from gtts import gTTS
@bot.command(name='tts', description='TALK')
async def tts(ctx, *args):
  text = ' '.join(args)
  if ctx.author.voice != None:
    try:
      vc = await ctx.author.voice.channel.connect()
    except:
      vc = ctx.voice_client
    sound = gTTS(text=text, lang='en', slow=False)
    sound.save("tts-audio.mp3")
    source = await nextcord.FFmpegOpusAudio.from_probe("tts-audio.mp3",method="fallback")
    vc.play(source)