Fix _process_input bug that will appear when (sub,div) are lists but not np.array instances.
Fix _process_input bug that will appear when (sub,div) are lists but not np.array instances.

lcy-seso/models,PaddlePaddle/models,PaddlePaddle/models,Superjom/models-1,kuke/models,qingqing01/models,PaddlePaddle/models,lcy-seso/models,kuke/models,Superjom/models-1,Superjom/models-1,qingqing01/models,kuke/models,qingqing01/models,kuke/models,lcy-seso/models