Change iteritems -> items for py3 compatability
Change iteritems -> items for py3 compatability

sshleifer/object_detection_kitti,alexgorban/models,r888888888/models,r888888888/models,tombstone/models,xcyan/models,jiaphuan/models,jazcollins/models,derekjchow/models,derekjchow/models,sshleifer/object_detection_kitti,xcyan/models,zbigniewwojna/text-rcnn,alexgorban/models,xcyan/models,xcyan/models,derekjchow/models,jiaphuan/models,jch1/models,derekjchow/models,sshleifer/object_detection_kitti,cshallue/models,sshleifer/object_detection_kitti,alexgorban/models,alexgorban/models,cshallue/models,sshleifer/object_detection_kitti,xcyan/models,r888888888/models,jazcollins/models,jazcollins/models,jch1/models,jch1/models,cshallue/models,alexgorban/models,jch1/models,tombstone/models,tombstone/models,jch1/models,tombstone/models,jazcollins/models,cshallue/models,jch1/models,xcyan/models,r888888888/models,tombstone/models,tombstone/models,cshallue/models,derekjchow/models,sshleifer/object_detection_kitti,jiaphuan/models,jazcollins/models,jiaphuan/models,jiaphuan/models,jazcollins/models,r888888888/models,jiaphuan/models,r888888888/models