Update app.py

app.py

@@ -53,7 +53,7 @@ async def save_forum(ctx, channel_id: int):
 
     
     messages_data = []
-    for thread in channel:
+    for thread in threads:
         async for message in thread.history(limit=None):  # limit=None retrieves all messages
             message_data = {
                 "content": message.content,