[tauruslib-devel] [PATCH] Fix bug-251: avoid exception on empty model list selection

[<cpa...@ce...>]

From: cpascual <cpa...@ce...>

Handle the case of applying an empty model list with the model selection
 tool in extra_guiqwt.
---
 lib/taurus/qt/qtgui/extra_guiqwt/tools.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/taurus/qt/qtgui/extra_guiqwt/tools.py b/lib/taurus/qt/qtgui/extra_guiqwt/tools.py
index 5ecd2bd..0c55967 100644
--- a/lib/taurus/qt/qtgui/extra_guiqwt/tools.py
+++ b/lib/taurus/qt/qtgui/extra_guiqwt/tools.py
@@ -100,7 +100,10 @@ class TaurusModelChooserTool(CommandTool):
         models, ok = TaurusModelChooser.modelChooserDlg(parent=plot, selectables=[TaurusElementType.Attribute], singleModel=self.singleModel)
         if ok: 
             if self.singleModel:
-                self.manager.setModel(models[0])
+                if models:
+                    self.manager.setModel(models[0])
+                else:
+                    self.manager.setModel('')
             else:
                 self.manager.setModel(models)
             
-- 
2.6.4