问错误：'TextChannel‘对象没有'connect’属性

EN

import discord 
import random from discord.utils 
import get import time

 class MyClient(discord.Client):
     #Einloggen
     async def on_ready(self):
         print("Eingeloggt")
 
     #Wenn Nachricht gepostet wird
     async def on_message(self, message):
         if message.author == client.user:
             return
        
         if message.content == "$help":
            print("help")
 
         if message.content.startswith("$play"):
             where = message.content.split(" ")[1]
             channel = get(message.guild.channels, name=where)
             voicechannel = await channel.connect()
             voicechannel.play(discord.FFmpegPCMAudio('triggered.mp3'))


client = MyClient()
client.run("")

line 22, in on_message
voicechannel = await channel.connect()
AttributeError: 'TextChannel' object has no attribute 'connect