[cbsnews] Fix construction of 'play_path' in some videos (fixes #7394)

youtube_dl/extractor/cbsnews.py

@@ -67,9 +67,12 @@ class CBSNewsIE(InfoExtractor):
                 'format_id': format_id,
             }
             if uri.startswith('rtmp'):
+                play_path = re.sub(
+                    r'{slistFilePath}', '',
+                    uri.split('<break>')[-1].split('{break}')[-1])
                 fmt.update({
                     'app': 'ondemand?auth=cbs',
-                    'play_path': 'mp4:' + uri.split('<break>')[-1],
+                    'play_path': 'mp4:' + play_path,
                     'player_url': 'http://www.cbsnews.com/[[IMPORT]]/vidtech.cbsinteractive.com/player/3_3_0/CBSI_PLAYER_HD.swf',
                     'page_url': 'http://www.cbsnews.com',
                     'ext': 'flv',