wrong indentation meant it never made the base64 thumbnails
@ -162,7 +162,7 @@ def distribusify(args, directory): # noqa
caption = ""
if args.captions:
caption = caption(full_path)
a = FILE_TYPES[type_].format(name, caption)
if subtype in SUB_TYPES:
a = SUB_TYPES[subtype]