def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(
- 'https://{}/sv/{}'.format(self._HOST, video_id), video_id, headers={'host': self._HOST})
+ f'https://{self._HOST}/sv/{video_id}', video_id, headers={'host': self._HOST})
description = self._html_search_regex(r'&p\[summary\]=(.*?)\s*&p', webpage, 'description', fatal=False)
duration = self._search_regex(r'"duration":\s+"([^"]+)",', webpage, 'duration', fatal=False)
view_count = self._search_regex(r'"interactionCount":\s+"([^"]+)"', webpage, 'view_count', fatal=False)