formats = []
for format_id, stream_dict in streams.items():
- height = self._search_regex(
- r'^(\d+)[pP]$', format_id, 'height', default=None)
+ height = int_or_none(self._search_regex(
+ r'^(\d+)[pP]$', format_id, 'height', default=None))
for protocol, format_dict in stream_dict.items():
if format_id == 'm3u8':
formats = self._extract_m3u8_formats(