python-ros No module named PyKDL
sudo apt-get install ros-indigo-kdl-parser-py
http://debian.2.n7.nabble.com/Bug-913803-python3-pykdl-PyKDL-fails-to-import-tp4418454.html
https://github.com/EAIBOT/dashgo/blob/master/dashgo_bringup/scripts/get_angular.py
https://www.programcreek.com/python/example/99836/sensor_msgs.msg.Imu