ting.wang e2158b7ef4 Clean redundant argument to dict.get
`dict.get()` returns `None` by default, if a key wasn't found.
Removing `None` as second argument to avoid redundancy.

Change-Id: Ia82f7469cd019509bbeccbfe54b15eeedc7bb6ea
2016-02-21 13:21:31 +08:00
..
2014-01-20 17:28:13 +04:00
2016-02-21 13:21:31 +08:00
2015-12-02 01:55:14 +00:00
2016-02-20 16:35:11 +08:00