diff --git a/backend/app/services/gallery_dl.py b/backend/app/services/gallery_dl.py
index b0d38c9..cb4dce0 100644
--- a/backend/app/services/gallery_dl.py
+++ b/backend/app/services/gallery_dl.py
@@ -169,8 +169,8 @@ class GalleryDLService:
         "artist not found",
         "content no longer available",
         "has been deleted",
-        "account.*deleted",
-        "profile.*not.*exist",
+        "account deleted",
+        "profile does not exist",
     ]
     GENERIC_NOT_FOUND_PATTERNS = ["does not exist", "no longer available"]
     NETWORK_ERROR_PATTERNS = [
diff --git a/backend/app/tasks/downloads.py b/backend/app/tasks/downloads.py
index 08d4957..8390e98 100644
--- a/backend/app/tasks/downloads.py
+++ b/backend/app/tasks/downloads.py
@@ -6,6 +6,7 @@ from datetime import datetime, timedelta
 from typing import Optional
 
 from sqlalchemy import select, and_, or_, update
+from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import selectinload
 
 from app.tasks.db import get_async_session, cleanup_engine as _cleanup_engine