keep methods' name/docstring after decorator 89/31989/1
authorSerenaFeng <feng.xiaowei@zte.com.cn>
Tue, 28 Mar 2017 06:30:49 +0000 (14:30 +0800)
committerSerenaFeng <feng.xiaowei@zte.com.cn>
Tue, 28 Mar 2017 06:30:49 +0000 (14:30 +0800)
applying functools.wraps() to keep the name and docstring
of the original function which is decorated

Change-Id: Id612039921566dd48f8d8797abe30f23aaf99301
Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

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