Update app.py

app.py

@@ -195,7 +195,7 @@ async def on_message_edit(before, after):
         print(f"on_message_edit Error: {e}")        
 
 @bot.event
-async def on_raw_message_delete(message):
+async def on_raw_message_delete(payload):
     try:    
         message_id = payload.message_id
         channel_id = payload.channel_id