【rosrun diagnostic_analysis】报错No module named rospkg | ubuntu 20.04
ubuntu20.04使用指令报错现象rosrundiagnostic_analysisexport_csv.pymy.bag-d~/Desktop报错Traceback(mostrecentcalllast):File"/opt/ros/noetic/lib/diagnostic_analysis/export_csv.py",line40,inimportroslib;roslib.load_