[gnome-music/wip/mschraal/gtk4: 130/132] fix gfm->gtk merge mistake

[Marinus Schraal <mschraal src gnome org>]

commit 1e52fe617210dcca88249041ced2fb31db125ef3
Author: Marinus Schraal <mschraal gnome org>
Date:   Wed Apr 29 00:06:10 2020 +0200

    fix gfm->gtk merge mistake

 gnomemusic/coremodel.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gnomemusic/coremodel.py b/gnomemusic/coremodel.py
index 18f8e4d5..5120b900 100644
--- a/gnomemusic/coremodel.py
+++ b/gnomemusic/coremodel.py
@@ -88,12 +88,12 @@ class CoreModel(GObject.GObject):
         self._application = application
 
         self._albums_model = Gio.ListStore()
-        self._albums_model_sort = Gfm.SortListModel.new(self._albums_model)
+        self._albums_model_sort = Gtk.SortListModel.new(self._albums_model)
         self._albums_model_sort.set_sort_func(
             utils.wrap_list_store_sort_func(self._albums_sort))
 
         self._artists_model = Gio.ListStore.new(CoreArtist)
-        self._artists_model_sort = Gfm.SortListModel.new(self._artists_model)
+        self._artists_model_sort = Gtk.SortListModel.new(self._artists_model)
         self._artists_model_sort.set_sort_func(
             utils.wrap_list_store_sort_func(self._artist_sort))