page_config = self._parse_json(self._search_regex(
r'(?s)<script[^>]+class="sp-video__page-config"[^>]*>(.+?)</script>',
webpage, 'page config', default='{}'), video_id, fatal=False)
page_config = self._parse_json(self._search_regex(
r'(?s)<script[^>]+class="sp-video__page-config"[^>]*>(.+?)</script>',
webpage, 'page config', default='{}'), video_id, fatal=False)