chore: apply ruff rules on tests and app.py (#3605)

api/controllers/web/__init__.py

@@ -1,5 +1,5 @@
-# -*- coding:utf-8 -*-
 from flask import Blueprint
+
 from libs.external_api import ExternalApi
 
 bp = Blueprint('web', __name__, url_prefix='/api')

api/controllers/web/app.py

@@ -7,7 +7,7 @@ from controllers.web import api
 from controllers.web.error import AppUnavailableError
 from controllers.web.wraps import WebApiResource
 from extensions.ext_database import db
-from models.model import App, AppModelConfig, AppMode
+from models.model import App, AppMode, AppModelConfig
 from models.tools import ApiToolProvider
 from services.app_service import AppService