add missing .db in import

compendium_v2/email/__init__.py

@@ -4,7 +4,7 @@ import logging
 from typing import Sequence, Union
 from sqlalchemy import select
 from flask import current_app
-from compendium_v2 import db
+from compendium_v2.db import db
 from compendium_v2.db.auth_model import User, ROLES
 
 logger = logging.getLogger(__name__)