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