[yandexmusic:track] Fix extraction (Closes #10193)

youtube_dl/extractor/yandexmusic.py

@@ -75,6 +75,12 @@ class YandexMusicTrackIE(YandexMusicBaseIE):
             % storage_dir,
             track_id, 'Downloading track location JSON')
 
+        # Each string is now wrapped in a list, this is probably only temporarily thus
+        # supporting both scenarios (see https://github.com/rg3/youtube-dl/issues/10193)
+        for k, v in data.items():
+            if v and isinstance(v, list):
+                data[k] = v[0]
+
         key = hashlib.md5(('XGRlBW9FXlekgbPrRHuSiA' + data['path'][1:] + data['s']).encode('utf-8')).hexdigest()
         storage = storage_dir.split('.')