tree c6393ed270bcf3a17422d78cac5a2a27564ef0f4
parent c68b1493c2e935db917f05523b2b7e1a6574cd4e
author Cao Xuan Hoang <hoangcx@vn.fujitsu.com> 1472116274 +0700
committer Cao Xuan Hoang <hoangcx@vn.fujitsu.com> 1472116274 +0700

Clean imports in code

In some part in the code we import objects.
In the Openstack style guidelines they recommend to import only modules.

http://docs.openstack.org/developer/hacking/#imports

Change-Id: I12a875436c10be2137a031e3ed4ec04a7fdf5e35