qq_39661275的博客

https://blog.youkuaiyun.com/qq_31417941/article/details/86489222

错误如图原因:catkin_pkg的位置可能不在PYTHONPATH上，需要添加。解决方法:1.尝试查找catkin_pkg并检查PYTHONPATH。catkin_pkg不在我的PYTHONPATH中（可能是由于其他程序安装），所以我添加了它并且再次运行catkin_make，这次成功。~/catkin_ws$ locate catkin_pkg/usr/lib/python2.7/dist-packages/catkin_pkg~/catkin_ws$ echo $PYTHON.