--- a/controls/CustomTree.py	Tue Oct 03 16:31:31 2017 +0300
+++ b/controls/CustomTree.py	Thu Oct 05 16:38:49 2017 +0300
@@ -114,7 +114,7 @@
     def OnLeftUp(self, event):
         if self.Enabled:
             pos = event.GetPosition()
-            item, flags = self.HitTest(pos)
+            _item, flags = self.HitTest(pos)
 
             bitmap_rect = self.GetBitmapRect()
             if ((bitmap_rect.InsideXY(pos.x, pos.y) or