tree f45a7b74451a74b14f5a1ac1a1ccc43a8620c6e0
parent 22afc4b8ecc48716c802c65c82502dddd208cb13
author guo yunxian <yunxian.guo@easystack.cn> 1471422112 +0800
committer guo yunxian <yunxian.guo@easystack.cn> 1471423035 +0800

Remove unnecessary str() from some clients

Some places in the code use str(), some not. These str() is unnecessary,
For code consistency, remove them.

Change-Id: Ia62b507676208bd8e7ccc9aa661ccb46723a7af7