Apparently this is needed now.

scripts/generate-pages.py

@@ -26,7 +26,7 @@ def load_settings(settings_file):
 
 def load_media(media_file):
     with open(media_file) as f:
-        c = yaml.load(f)
+        c = yaml.load(f, Loader=yaml.FullLoader)
     c['year'] = int(c['year'])
     c['ident'] = ident(media_file)
     return c