def make_node(self, x, s):
        if x.format not in 'csc':
            raise ValueError('x was not a csc matrix')
        return gof.Apply(self, [x, s], [x.type()])
dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/sparse/basic.py/ColScaleCSC.make_node/operator `!=` -> `not in`