1 files changed, 3 insertions, 2 deletions
diff --git a/pyblackbird_cc/resources/views.py b/pyblackbird_cc/resources/views.py
index c23efa9..ca7ce73 100644
--- a/pyblackbird_cc/resources/views.py
+++ b/pyblackbird_cc/resources/views.py
@@ -3,6 +3,7 @@ import os
 import tempfile
 from collections.abc import Generator
 from dataclasses import dataclass
+from typing import Optional
 
 from django.conf import settings
 from django.contrib import messages
@@ -45,10 +46,10 @@ class ResourceInfo:
     subcategories: str | None
     age_range: str | None
     pdf_filenames: list[str]
-    pdf_urls: list[str]
+    pdf_urls: list[Optional[str]]
     snapshot_urls: dict[str, list[str]]
     thumbnail_filenames: list[str]
-    thumbnail_urls: list[str]
+    thumbnail_urls: list[Optional[str]]
     feature_slot: int
     created: str
     updated: str