def _openClassTrainer(self):
        # Create the class trainer window and connect it to the map widget
        
        if not self.classWindow:
            self.classWindow = FeatureTrainerWindow(self.mapWidget)
            self.classWindow.show()
        else:
            self.classWindow.show()
Returns pickle-serializable configuration struct for storage.
dataset/ETHPy150Open nasa/CrisisMappingToolkit/cmt/util/production_gui.py/ProductionGui._openClassTrainer--crossover with--dataset/ETHPy150Open pixelogik/NearPy/nearpy/hashes/permutation/hashpermutationmapper.py/HashPermutationMapper.get_config