From 4c48e3b997b0215b191b78e88fe20a381205a858 Mon Sep 17 00:00:00 2001
From: Tyson Cung <45380903+tysoncung@users.noreply.github.com>
Date: Mon, 23 Feb 2026 14:46:30 +0800
Subject: [PATCH] refactor: inherit ABC in AppQueueManager for proper abstract
 method usage (#32461)

---
 api/core/app/apps/base_app_queue_manager.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/api/core/app/apps/base_app_queue_manager.py b/api/core/app/apps/base_app_queue_manager.py
index b41bedbea4..971ece6214 100644
--- a/api/core/app/apps/base_app_queue_manager.py
+++ b/api/core/app/apps/base_app_queue_manager.py
@@ -2,7 +2,7 @@ import logging
 import queue
 import threading
 import time
-from abc import abstractmethod
+from abc import ABC, abstractmethod
 from enum import IntEnum, auto
 from typing import Any
 
@@ -31,7 +31,7 @@ class PublishFrom(IntEnum):
     TASK_PIPELINE = auto()
 
 
-class AppQueueManager:
+class AppQueueManager(ABC):
     def __init__(self, task_id: str, user_id: str, invoke_from: InvokeFrom):
         if not user_id:
             raise ValueError("user is required")