这个时候提示错误: ERROR: cannot launch node of type [arbotix_python/arbotix_driver]: arbotix_python ROS path [0]=/opt/ros/kinetic/share/ros ROS path [1]=/home/xcy/catkin_lml/src ROS path [2]=/home/xcy/catkin_syl/src ROS path [3]=/home/xcy/catkin_ws/src ROS path [4]=/opt/ros/kinetic/share
解决方案 https://answers.ros.org/question/243919/cannot-launch-node-of-type-arbotix_pythonarbotix_driver-arbotix_python/
检查是否安装 arbotix_python package
roscd arbotix_python
安装 arbotix_python
sudo apt-get install ros-kinetic-arbotix