tree eb51d7c630652db57c2420c94d4f8824a8fe05b7
parent 784f0cb767b5292d378ce3734b7547e39dc87ac0
author lei zhang <shleiz@cn.ibm.com> 1448455308 +0800
committer lei zhang <shleiz@cn.ibm.com> 1448455308 +0800

Fix some inconsistency in docstrings

Changed docstring to ":returns:" according to
http://docs.openstack.org/developer/hacking/#docstrings

Change-Id: I531eeea4384ddb55e7d5e1e001356e4c6e5f272e