diff --git a/src/SMESH_I/SMESH_2smeshpy.hxx b/src/SMESH_I/SMESH_2smeshpy.hxx
index d9ce95e11..015d91bde 100644
--- a/src/SMESH_I/SMESH_2smeshpy.hxx
+++ b/src/SMESH_I/SMESH_2smeshpy.hxx
@@ -359,6 +359,7 @@ class _pyComplexParamHypo: public _pyHypothesis
 public:
   _pyComplexParamHypo(const Handle(_pyCommand)& theCreationCmd): _pyHypothesis(theCreationCmd) {}
   void Process( const Handle(_pyCommand)& theCommand);
+  void Flush();
 
   DEFINE_STANDARD_RTTI (_pyComplexParamHypo)
 };