Fix for bug IPAL11571 : Execution of "GraphEssai.py" raises error.

diff --git a/src/GraphEditor/DataFlowEditor_DataFlow.lxx b/src/GraphEditor/DataFlowEditor_DataFlow.lxx
index 24f63f6f932c1423e893233dab6e184265c81c0f..a48e23c8efd8d784e8ef9b1fc1616f7d5960e429 100644 (file)
--- a/src/GraphEditor/DataFlowEditor_DataFlow.lxx
+++ b/src/GraphEditor/DataFlowEditor_DataFlow.lxx
@@ -489,7 +489,10 @@ inline long GraphEditor::DataFlow::LevelMax() {
 inline SUPERV::ListOfStrings * GraphEditor::DataFlow::LevelNodes(long aLevel ) {
 //  if ( !IsValid( false ) ) {
 //  if ( !IsExecutable() ) {
-  if ( !IsValid() ) { // mkr : IPAL9974
+  // mkr : IPAL11571 -->
+  int SubStreamGraphsNumber = 0 ;  
+  if ( !IsValid() || !Graph()->Sort( SubStreamGraphsNumber ) ) { // mkr : IPAL9974
+    // mkr : IPAL11571 <--
     return ((SUPERV::ListOfStrings * ) NULL ) ;
   }
   return Graph()->LevelNodes( aLevel ) ;