[GRASS-SVN] r52818 - grass/trunk/gui/wxpython/gui_core

[svn_grass at osgeo.org]

Author: annakrat
Date: 2012-08-21 07:46:44 -0700 (Tue, 21 Aug 2012)
New Revision: 52818

Modified:
   grass/trunk/gui/wxpython/gui_core/goutput.py
Log:
wxGUI: quick fix for #1565

Modified: grass/trunk/gui/wxpython/gui_core/goutput.py
===================================================================
--- grass/trunk/gui/wxpython/gui_core/goutput.py	2012-08-21 14:31:40 UTC (rev 52817)
+++ grass/trunk/gui/wxpython/gui_core/goutput.py	2012-08-21 14:46:44 UTC (rev 52818)
@@ -896,7 +896,10 @@
                     event.cmd[0] == 'r.mapcalc':
                 return
             
-            display = self.parent.GetLayerTree().GetMapDisplay()
+            tree = self.parent.GetLayerTree()
+            display = None
+            if tree:
+                display = tree.GetMapDisplay()
             if not display or not display.IsAutoRendered():
                 return
             mapLayers = map(lambda x: x.GetName(),