def perform(self, node, inp, out_):
        out_shape, values, ilist = inp
        out, = out_
        rows, cols = values.shape
        assert rows == len(ilist)
        indptr = numpy.arange(cols / 1) * rows
        indices = as_strided(ilist,
                             strides=(0, ilist.strides[0]),
                             shape=(cols, ilist.shape[0])).flatten()
        data = values.T.flatten()
        out[0] = scipy.sparse.csc_matrix((data, indices, indptr),
                                         shape=out_shape,
                                         dtype=values.dtype)
dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/sparse/basic.py/ConstructSparseFromList.perform/operator `+` -> `/`