code: def unfold_subtitle_stub(self, subtitle_stub):
          
          return Subtitle(self._ajax_api.Subtitle_GetXml(
              subtitle_script_id=int(subtitle_stub.id)))
docs: Turn a SubtitleStub into a full Subtitle object
  
          @param crunchyroll.models.SubtitleStub subtitle_stub
          @return crunchyroll.models.Subtitle