Tang Chen 61c1d985c7 Fix return value of "image set" command
"image set" command should return None. But in one path,
it returns ({}, {}). This patch fixes this.

Change-Id: I3847e661cb7e89863921a3f0a859d9b1a8077ede
2016-02-29 16:18:55 +08:00
..
2014-01-20 17:28:13 +04:00