XTDrone--执行roslaunch px4 indoor1.launch 遇到的问题

RLException: while processing /home/karasi/PX4_Firmware/launch/single_vehicle_spawn_xtd.launch:Invalid tag: Cannot load command parameter [model_description]: no such command [[‘xmlstarlet’, ‘ed’, ‘-d’, ‘//plugin[@name=“mavlink_interface”]/mavlink_tcp_port’, ‘-s’, ‘//plugin[@name=“mavlink_interface”]’, ‘-t’, ‘elem’, ‘-n’, ‘mavlink_tcp_port’, ‘-v’, ‘4560’, ‘/home/karasi/PX4_Firmware/Tools/sitl_gazebo/models/iris_stereo_camera/iris_stereo_camera.sdf’]]. Param xml is The traceback for the exception was written to the log file

原因：依赖没装全
sudo apt install xmlstarlet