Wie kann ich das machen? | Thread Messages

import discord
from discord.ext import commands

class ThreadMessageCleaner(commands.Cog):
    def __init__(self, bot):
        self.bot = bot
    
    @commands.Cog.listener()
    async def on_message(self, message):
        # Check if we're in a thread
        if not isinstance(message.channel, discord.Thread):
            return
            
        # List of system message types to delete
        system_message_types = [
            discord.MessageType.channel_name_change,        # Thread edit messages
            discord.MessageType.thread_created,             # Thread creation messages
            discord.MessageType.recipient_add,              # Member add messages
            discord.MessageType.recipient_remove            # Member remove messages
        ]
        
        # For discord.py 2.0+, if thread_member_join and thread_member_leave exist, use them
        try:
            # Try to access these attributes (will work in newer versions)
            system_message_types.append(discord.MessageType.thread_member_join)
            system_message_types.append(discord.MessageType.thread_member_leave)
        except AttributeError:
            # Handle older discord.py versions
            pass
            
        # Check if the message is a system message we want to delete
        if message.type in system_message_types:
            try:
                await message.delete()
                print(f"Deleted system message in thread {message.channel.name}")
            except discord.Forbidden:
                print("Missing permissions to delete message")
            except discord.NotFound:
                print("Message was already deleted")
            except Exception as e:
                print(f"Error deleting message: {e}")

async def setup(bot):
    await bot.add_cog(ThreadMessageCleaner(bot))