def get_referenced_varpaths(self):
        lst = []
        for response in self._responses.values():
            lst.extend(response.get_referenced_varpaths(copy=False))
        return lst
Register callback which will be called after epoch finished.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/hasresponses.py/HasResponses.get_referenced_varpaths--crossover with--dataset/ETHPy150Open zomux/deepy/deepy/layers/layer.py/NeuralLayer.register_epoch_callbacks