+            transform_source=strip_jsonp)
+        if not len(list_json.get('cdlist', [])):
+            if list_json.get('code'):
+                raise ExtractorError(
+                    'QQ Music said: error %d in fetching playlist info' % list_json['code'],
+                    expected=True)
+            raise ExtractorError('Unable to get playlist info')
+
+        cdlist = list_json['cdlist'][0]