Fix Celery: use autodiscover_tasks with full module path

proyecto/celery.py

@@ -5,4 +5,4 @@ app = Celery('proyecto')
 os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'proyecto.settings')
 app.config_from_object('django.conf:settings', namespace="CELERY")
 
-# Tasks loaded via CELERY_IMPORTS in settings.py
+app.autodiscover_tasks(['tienda.tasks'])

proyecto/settings.py

@@ -423,7 +423,6 @@ CELERY_RESULT_BACKEND = os.getenv("REDIS_URL", "redis://localhost:6379/0")
 CELERY_ACCEPT_CONTENT = ['json']
 CELERY_TASK_SERIALIZER = 'json'
 CELERY_RESULT_SERIALIZER = 'json'
-CELERY_IMPORTS = ['tienda.tasks']
 
 SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")