tree 753ea2aa7bab0246be5712e43e1e4d00632abe43
parent 28efff3e1e3d969f343bd1075039ce25d7834682
author Yuxuan Li <yuxuanli@google.com> 1493879357 -0700
committer Yuxuan Li <yuxuanli@google.com> 1493879357 -0700

clean up, fix minor issue