+
+ if not formats:
+ error = self._search_regex(
+ r'<p[^>]+\bclass=["\']lead[^>]+>(.+?)</p>', webpage,
+ 'error', default=None)
+ if not error and '>Sorry' in webpage:
+ error = 'Video %s is not available' % video_id
+ if error:
+ raise ExtractorError(error, expected=True)
+