加入语音聊天时，我尝试使用discord.py播放音频，但遇到了问题：
InvalidArgument：传递的频道必须是语音频道
我如何使其起作用？
这是我的代码：
import discord
from discord.ext.commands import Bot
from discord.ext import commands
import asyncio
import time
import random
from discord import Game
Client = discord.client
client = Bot('.')
Clientdiscord = discord.Client()
@client.command(pass_context=True)
async def yt(ctx):
url = ctx.message.content
url = url.strip('yt')
author = ctx.message.author
voice_channel = author.voice_channel
vc = await client.join_voice_channel(voice_channel)
player = await vc.create_ytdl_player(url)
player.start()
client.run('my Token')
在加入语音频道之后，我厌倦了播放视频：
(.yt https://www.youtube.com/watc........)
忽略命令yt中的异常
Traceback (most recent call last):
File "C:\Users\Hema\AppData\Local\Programs\Python\Python36-32\lib\site-
packages\discord\ext\commands\core.py", line 50, in wrapped
ret = yield from coro(*args, **kwargs)
File "C:\Users\Hema\Desktop\Music - Copy - Copy.py", line 21, in yt
vc = await client.join_voice_channel(voice_channel)
File "C:\Users\Hema\AppData\Local\Programs\Python\Python36-32\lib\site-
packages\discord\client.py", line 3172, in join_voice_channel
raise InvalidArgument('Channel passed must be a voice channel')
discord.errors.InvalidArgument: Channel passed must be a voice channel
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "C:\Users\Hema\AppData\Local\Programs\Python\Python36-32\lib\site-
packages\discord\ext\commands\bot.py", line 846, in process_commands
yield from command.invoke(ctx)
File "C:\Users\Hema\AppData\Local\Programs\Python\Python36-32\lib\site-
packages\discord\ext\commands\core.py", line 374, in invoke
yield from injected(*ctx.args, **ctx.kwargs)
File "C:\Users\Hema\AppData\Local\Programs\Python\Python36-32\lib\site-
packages\discord\ext\commands\core.py", line 54, in wrapped
raise CommandInvokeError(e) from e
discord.ext.commands.errors.CommandInvokeError: Command raised an
exception: InvalidArgument: Channel passed must be a voice channel