def do_type_checking(self, node):
        if not isinstance(node.inputs[0].type, CudaNdarrayType):
            raise NotImplementedError()
Should raise NotImplementedError if c_code does not support
dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/sandbox/cuda/basic_ops.py/GpuIncSubtensor.do_type_checking