[gnome-music/wip/mschraal/308-empty-artistsview: 1/2] artistsview: Do not activate a row when empty

[Marinus Schraal <mschraal src gnome org>]

commit 1f8795fd80dd6d5806e355c7fdca0e5f2bc0b6aa
Author: Marinus Schraal <mschraal gnome org>
Date:   Thu Aug 22 00:14:24 2019 +0200

    artistsview: Do not activate a row when empty
    
    If there are no artists, do not activate the first row.
    
    Related #308

 gnomemusic/views/artistsview.py | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/gnomemusic/views/artistsview.py b/gnomemusic/views/artistsview.py
index d79acc0e..76f928b6 100644
--- a/gnomemusic/views/artistsview.py
+++ b/gnomemusic/views/artistsview.py
@@ -122,6 +122,9 @@ class ArtistsView(BaseView):
     def _on_artists_loaded(self, klass):
         self._coremodel.disconnect(self._loaded_id)
         first_row = self._sidebar.get_row_at_index(0)
+        if first_row is None:
+            return
+
         self._sidebar.select_row(first_row)
         first_row.emit("activate")