def query(self, fgraph, op):
        try:
            all = self.d.get(op, [])
        except __HOLE__:
            raise TypeError("%s in unhashable and cannot be queried by the"
                            " optimizer" % op)
        all = list(all)
        return all
dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/gof/toolbox.py/NodeFinder.query