fix: 'NoneType' object is not subscriptable as item coule be None

Author: hsinhoyeh

votify/downloader_episode.py

@@ -42,6 +42,8 @@ def get_tags(
                 for index in range(1, len(show_metadata["episodes"]["items"]) + 1)
                 if show_metadata["episodes"]["items"][
                     len(show_metadata["episodes"]["items"]) - index
+                ] is not None and show_metadata["episodes"]["items"][
+                    len(show_metadata["episodes"]["items"]) - index
                 ]["id"]
                 == episode_metadata["id"]
             ),