def infer_shape(self, node, shapes):
        r = None
        if self.axis is None:
            r = [()]
        elif self.axis != 0:
            r = [(shapes[0][1],)]
        else:
            r = [(shapes[0][0],)]
        return r
dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/sparse/basic.py/SpSum.infer_shape/operator `==` -> `!=`