[qqmusic:toplist] List name and description are optional

diff --git a/youtube_dl/extractor/qqmusic.py b/youtube_dl/extractor/qqmusic.py
index 9943fcddb31792c25f2b7b6247847029649780f0..f773332a895b1b147ae9609229700a0c887a362f 100644 (file)
--- a/youtube_dl/extractor/qqmusic.py
+++ b/youtube_dl/extractor/qqmusic.py
@@ -222,6 +222,7 @@ class QQMusicToplistIE(QQPlaylistBaseIE):
             ) for song in toplist_json['songlist']
         ]
 
-        list_name = toplist_json['topinfo']['ListName']
-        list_description = toplist_json['topinfo']['info']
+        topinfo = toplist_json.get('topinfo', {})
+        list_name = topinfo.get('ListName')
+        list_description = topinfo.get('info')
         return self.playlist_result(entries, list_id, list_name, list_description)