+ def ns(s):
+ return s.replace('/', '/%(ns)s') % {'ns': '{http://app1.newstube.ru/N2SiteWS/player.asmx}'}
+
+ error_message = player.find(ns('./ErrorMessage'))
+ if error_message is not None:
+ raise ExtractorError('%s returned error: %s' % (self.IE_NAME, error_message.text), expected=True)