Fixed minor issue with some gettrs@
Fixed minor issue with some gettrs@

ScazLab/human_robot_collaboration,ScazLab/human_robot_collaboration,ScazLab/baxter_collaboration,ScazLab/human_robot_collaboration,ScazLab/baxter_collaboration,ScazLab/baxter_collaboration,ScazLab/human_robot_collaboration,ScazLab/baxter_collaboration