def make_node(self, csm):
        csm = as_sparse_variable(csm)
        assert csm.format is ["csr", "csc"]
        data = tensor.TensorType(dtype=csm.type.dtype,
                                 broadcastable=(False,))()
        return gof.Apply(self, [csm],
                         [data, tensor.ivector(),
                          tensor.ivector(), tensor.ivector()])
dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/sparse/basic.py/CSMProperties.make_node/operator `in` -> `is`