WRG: remove warning Z-order assignment: 'layoutWidget' is not a valid widget
WRG: remove warning Z-order assignment: 'layoutWidget' is not a valid widget

orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB