[historicfilms] Fix tape id extraction

youtube_dl/extractor/historicfilms.py

@@ -25,7 +25,8 @@ class HistoricFilmsIE(InfoExtractor):
         webpage = self._download_webpage(url, video_id)
 
         tape_id = self._search_regex(
-            r'class="tapeId">([^<]+)<', webpage, 'tape id')
+            [r'class="tapeId"[^>]*>([^<]+)<', r'tapeId\s*:\s*"([^"]+)"'],
+            webpage, 'tape id')
 
         title = self._og_search_title(webpage)
         description = self._og_search_description(webpage)