def get_weights(self):
        if self.requires_reformat:
            # This is not really an unimplemented case.
            # We actually don't know how to format the weights
            # in design space. We got the data in topo space
            # and we don't have access to the dataset
            raise NotImplementedError()
        W, = self.transformer.get_params()
        return W.get_value()
.. todo::
dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/models/dbm/ising.py/IsingHidden.get_weights