[gnome-music/wip/mschraal/grltrackerwrapper-small-optimization: 2/2] grltrackerwrapper: Correct typing mistake

[Marinus Schraal <mschraal src gnome org>]

commit 664439d680ada7b989d4bd3ba13fa9066e371fc5
Author: Marinus Schraal <mschraal gnome org>
Date:   Sun May 1 16:04:41 2022 +0200

    grltrackerwrapper: Correct typing mistake

 gnomemusic/grilowrappers/grltrackerwrapper.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gnomemusic/grilowrappers/grltrackerwrapper.py b/gnomemusic/grilowrappers/grltrackerwrapper.py
index 28c3eb76b..d7c300744 100644
--- a/gnomemusic/grilowrappers/grltrackerwrapper.py
+++ b/gnomemusic/grilowrappers/grltrackerwrapper.py
@@ -866,7 +866,7 @@ class GrlTrackerWrapper(GObject.GObject):
             Grl.METADATA_KEY_URL
         ]
 
-        disc_song_ids: List[int] = []
+        disc_song_ids: List[str] = []
 
         def _filter_func(coresong: CoreSong) -> bool:
             return coresong.props.grlid in disc_song_ids