continue
subtitles.setdefault(caption.get('languageCode') or caption.get('language'), []).append({
'url': '%s/api_v3/service/caption_captionasset/action/serve/captionAssetId/%s' % (self._SERVICE_URL, caption['id']),
- 'ext': caption.get('fileExt'),
+ 'ext': caption.get('fileExt', 'ttml'),
})
return {