Traceback (most recent call last): File "/home/cicv/work/pji_desktop/world_generation/catkin_map2gazebo/src/src/map2gazebo.py", line 3, in import cv2 ImportError: No module named cv2 [map2gazebo-2] process has died [pid 13500, exit code 1, cmd /home/cicv/work/pji_desktop/world_generation/catkin_map2gazebo/src/src/map2gazebo.py __name:=map2gazebo __log:=/home/cicv/.ros/log/85cd00f4-5891-11ef-9d7c-4d22b1b67ef8/map2gazebo-2.log]. log file: /home/cicv/.ros/log/85cd00f4-5891-11ef-9d7c-4d22b1b67ef8/map2gazebo-2*.log ... logging to /home/cicv/.ros/log/85cd00f4-5891-11ef-9d7c-4d22b1b67ef8/roslaunch-rosgo-13472.log Checking log directory for disk usage. This may take a while. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB. ]2;/home/cicv/work/pji_desktop/world_generation/catkin_map2gazebo/src/launch/map2gazebo.launch started roslaunch server http://rosgo:34265/ SUMMARY ======== PARAMETERS * /map2gazebo/box_height: 2.0 * /map2gazebo/export_dir: /home/cicv/work/p... * /map2gazebo/map_topic: map * /map2gazebo/mesh_type: stl * /map2gazebo/occupied_thresh: 1 * /rosdistro: noetic * /rosversion: 1.16.0 NODES / map2gazebo (map2gazebo/map2gazebo.py) auto-starting new master process[master]: started with pid [13486] ROS_MASTER_URI=http://localhost:11311 ]2;/home/cicv/work/pji_desktop/world_generation/catkin_map2gazebo/src/launch/map2gazebo.launch http://localhost:11311 setting /run_id to 85cd00f4-5891-11ef-9d7c-4d22b1b67ef8 process[rosout-1]: started with pid [13496] started core service [/rosout] process[map2gazebo-2]: started with pid [13500] [rosout-1] killing on exit [master] killing on exit shutting down processing monitor... ... shutting down processing monitor complete done