Modify utils/ code into PEP8 style 69/27069/1
authorliyin <liyin11@huawei.com>
Tue, 17 Jan 2017 02:56:19 +0000 (10:56 +0800)
committerliyin <liyin11@huawei.com>
Tue, 17 Jan 2017 02:57:54 +0000 (10:57 +0800)
JIRA: BOTTLENECK-100

Modify all the code in the utils folder into PEP8 style.
Using more standard way to realize our function.

Change-Id: Ie75c57f7fdd2a9d03849c3cb240918a6779d6be9
Signed-off-by: liyin <liyin11@huawei.com>

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