[gnome-music/wip/jfelder-artistsview-selection-crash] artistsview: Correctly access artisttile on toggle_selection

[Jean Felder <jfelder src gnome org>]

commit 77a354da456b94b262f80341d7839fbc96ab35d9
Author: Jean Felder <jfelder src gnome org>
Date:   Thu Jan 9 20:01:00 2020 +0100

    artistsview: Correctly access artisttile on toggle_selection
    
    This is a regression introduced by commit
    74dc676d50dc049827beec308dbcfb133891a076. ArtistTile now inherits
    from a GtkListBoxRow, there is no need to call the `get_child` method
    to access it.

 gnomemusic/views/artistsview.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/gnomemusic/views/artistsview.py b/gnomemusic/views/artistsview.py
index af4348fb..05afb8b9 100644
--- a/gnomemusic/views/artistsview.py
+++ b/gnomemusic/views/artistsview.py
@@ -200,8 +200,7 @@ class ArtistsView(BaseView):
     def _toggle_all_selection(self, selected):
 
         def toggle_selection(child):
-            tile = child.get_child()
-            tile.props.selected = selected
+            child.props.selected = selected
 
         self._sidebar.foreach(toggle_selection)