[GRASS-SVN] r60050 - grass/trunk/gui/wxpython/timeline

[svn_grass at osgeo.org]

Author: annakrat
Date: 2014-05-02 16:45:53 -0700 (Fri, 02 May 2014)
New Revision: 60050

Modified:
   grass/trunk/gui/wxpython/timeline/frame.py
Log:
wxGUI/timeline: fix case when there are no registered datasets

Modified: grass/trunk/gui/wxpython/timeline/frame.py
===================================================================
--- grass/trunk/gui/wxpython/timeline/frame.py	2014-05-02 21:20:32 UTC (rev 60049)
+++ grass/trunk/gui/wxpython/timeline/frame.py	2014-05-02 23:45:53 UTC (rev 60050)
@@ -393,7 +393,8 @@
                      for etype, maps in etypesDict.iteritems()]
                     for mapset, etypesDict in tDict.iteritems()]
         # flatten this list
-        allDatasets = reduce(lambda x, y: x + y, reduce(lambda x, y: x + y, allDatasets))
+        if allDatasets:
+            allDatasets = reduce(lambda x, y: x + y, reduce(lambda x, y: x + y, allDatasets))
 
         for dataset in datasets:
             errorMsg = _("Space time dataset <%s> not found.") % dataset