-# get number of linear and quadratic edges
-filter_linear = smesh.GetFilter(smesh.EDGE, smesh.FT_LinearOrQuadratic)
-filter_quadratic = smesh.GetFilter(smesh.EDGE, smesh.FT_LinearOrQuadratic, smesh.FT_LogicalNOT)
-ids_linear = mesh.GetIdsFromFilter(filter_linear)
+
+# get linear and quadratic edges
+filter_linear = smesh.GetFilter(SMESH.EDGE, SMESH.FT_LinearOrQuadratic)
+filter_quadratic = smesh.GetFilter(SMESH.EDGE, SMESH.FT_LinearOrQuadratic, SMESH.FT_LogicalNOT)
+ids_linear = mesh.GetIdsFromFilter(filter_linear)