Created by: wangxicoding

https://github.com/PaddlePaddle/Serving/blob/f54717396f7cc161046e38b117458ccd5729957b/python/paddle_serving_client/__init__.py#L260-L262 目前在predict在Python端的数据preprocess和postprocess缺少profile，需要补上。 更详细可看ISSUE https://github.com/PaddlePaddle/Serving/issues/488