CMake Error at /opt/ros/melodic/share/catkin/cmake/safe_execute_process.cmake:11 (message):
错误如下ImportError:"fromcatkin_pkg.packageimportparse_package"failed:Nomodulenamedcatkin_pkg.packageMakesurethatyouhaveinstalled"catkin_pkg",itisuptodateandonthePYTHONPATH.CMakeErrorat/opt/ros/melodic/sh