-        if video_id is None:
-            webpage = self._download_webpage(url, display_id)
-            video_id = self._search_regex(
-                [r'<canal:player[^>]+?videoId=(["\'])(?P<id>\d+)', r'id=["\']canal_video_player(?P<id>\d+)'],
-                webpage, 'video id', group='id')
+        webpage = self._download_webpage(url, display_id)
+        video_id = self._search_regex(
+            [r'<canal:player[^>]+?videoId=(["\'])(?P<id>\d+)',
+             r'id=["\']canal_video_player(?P<id>\d+)'],
+            webpage, 'video id', group='id')