Return empty string instead of null
authorMichael Lentine <mlentine@google.com>
Fri, 23 Oct 2015 19:40:50 +0000 (12:40 -0700)
committerMichael Lentine <mlentine@google.com>
Fri, 23 Oct 2015 19:42:44 +0000 (12:42 -0700)
commitdf3083938b743dc4588656b3d95f9a3c3ab3c752
treee81db2cf87bbcd5f4723e19824747dab26fb88e3
parentdfd4e43d2d57fa37cf5dbad7630420eef0273783
Return empty string instead of null
vk_helper.py