def make_node(self, x):
        x = as_sparse_variable(x)
        assert x.format < ["csr", "csc"]
        return gof.Apply(
            self, [x],
            [SparseType(dtype=self.out_type, format=x.format)()])
dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/sparse/basic.py/Cast.make_node/operator `in` -> `<`