Dash-extensions, Serverside(), cancel of background callback

[MillieWoo]

Thx for the feedback! I looked up this post … but I am not familiar with CeleryManager …

Background callback with dash extensions and flask

I have a Dash app inside a Flask app and am using DashProxy from dash extensions. My problem is getting the background callback with Celery to work. Celery shows the following error: Received un registered task of type 'long_callback. The app is initialized like this: from celery_app import celery_app from dash_extensions.enrich import NoOutputTransform, DashProxy background_callback_manager = CeleryManager(celery_app) def init_dash(server): app = DashProxy(__name__, server=server, …