tree 1ddeb65c2e9bfd22fe6f81648d5c1e3cc04c2f0b
parent 48a2bd791f7c201fd2fa3a7f4ccc81b4d321f350
author Shuquan Huang <huang.shuquan@99cloud.net> 1446984745 +0800
committer Shuquan Huang <huang.shuquan@99cloud.net> 1446984745 +0800

remove default=None for config options

In the cfg module default=None is set as the default value.

Change-Id: I9303e2ae4b8f301757744efc09136868db29472a
Closes-bug: #1323975