From c4c5f62b0499f6b648cc5c9cf63aa57063e1741c Mon Sep 17 00:00:00 2001
From: akl <alexander.kovalev@opencascade.com>
Date: Tue, 23 Sep 2014 15:22:10 +0400
Subject: [PATCH] Avoid using of empty list.

---
 src/PyConsole/PyConsole_Editor.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/PyConsole/PyConsole_Editor.cxx b/src/PyConsole/PyConsole_Editor.cxx
index c9542464a..05eaa6ba0 100644
--- a/src/PyConsole/PyConsole_Editor.cxx
+++ b/src/PyConsole/PyConsole_Editor.cxx
@@ -943,7 +943,8 @@ void PyConsole_Editor::customEvent( QEvent* event )
     {
       PrintEvent* pe=(PrintEvent*)event;
       addText( pe->text(), false, pe->isError());
-      myHistory.last().output = myHistory.last().output + pe->text();
+      if ( myHistory.count() > 0 )
+        myHistory.last().output = myHistory.last().output + pe->text();
       return;
     }
   case PyInterp_Event::ES_OK:
-- 
2.39.2