-BROKER_URL = 'django://'
-
-CELERY_EAGER_PROPAGATES_EXCEPTIONS = True
+# This file is part of Wolne Lektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
+#
+CELERY_TASK_EAGER_PROPAGATES = True
CELERY_SEND_TASK_ERROR_EMAILS = True
CELERY_ACCEPT_CONTENT = ['pickle']
+CELERY_TASK_SERIALIZER = 'pickle'