fix: import

Author: giancarloromeo

services/web/server/src/simcore_service_webserver/application.py

@@ -8,7 +8,7 @@
 
 from aiohttp import web
 from servicelib.aiohttp.application import create_safe_application
-from simcore_service_webserver.celery import setup_celery
+from simcore_service_webserver.celery.plugin import setup_celery
 
 from ._meta import (
     WELCOME_AUTH_APP_MSG,