- formats.extend(self._extract_m3u8_formats(
- stream_url, video_id, 'mp4', preference=1, m3u8_id='hls'))
+ m3u8_formats = self._extract_m3u8_formats(
+ stream_url, video_id, 'mp4', preference=1, m3u8_id='hls', fatal=False)
+ if m3u8_formats:
+ formats.extend(m3u8_formats)