Cleaning up with black, isort, flake8.

Signed-off-by: Cliff Hill <Clifford.hill@gsa.gov>

app/celery/tasks.py

@@ -20,7 +20,7 @@ from app.dao.service_email_reply_to_dao import dao_get_reply_to_by_id
 from app.dao.service_inbound_api_dao import get_service_inbound_api_for_service
 from app.dao.service_sms_sender_dao import dao_get_service_sms_senders_by_id
 from app.dao.templates_dao import dao_get_template_by_id
-from app.enums import NotificationType, JobStatus, KeyType
+from app.enums import JobStatus, KeyType, NotificationType
 from app.notifications.process_notifications import persist_notification
 from app.notifications.validators import check_service_over_total_message_limit
 from app.serialised_models import SerialisedService, SerialisedTemplate