ImportError: No module named catkin_pkg.packages
15,337
This worked for me
pip install catkin_pkg
Author by
Yograj Singh Mandloi
I am enthusiastic about A.I, aerospace and technology in general. Curious to know and learn new things. I like star gazing, hiking, reading, programming and flying drones.
Updated on July 14, 2022Comments
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Yograj Singh Mandloi almost 2 years
I am trying to run:-
roslaunch turtlebot_gazebo turtlebot_world.launchbut I am getting following error
Traceback (most recent call last): File "/opt/ros/kinetic/share/xacro/xacro.py", line 55, in <module> import xacro File "/opt/ros/kinetic/lib/python2.7/dist-packages/xacro/__init__.py", line 42, in <module> from roslaunch import substitution_args File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/__init__.py", line 56, in <module> from .launch import ROSLaunchRunner File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/launch.py", line 55, in <module> from roslaunch.nodeprocess import create_master_process, create_node_process File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/nodeprocess.py", line 49, in <module> from roslaunch.node_args import create_local_process_args File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/node_args.py", line 53, in <module> import roslib.packages File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslib/__init__.py", line 54, in <module> import roslib.stacks File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslib/stacks.py", line 46, in <module> import roslib.packages File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslib/packages.py", line 49, in <module> from catkin.find_in_workspaces import find_in_workspaces as catkin_find File "/opt/ros/kinetic/lib/python2.7/dist-packages/catkin/find_in_workspaces.py", line 36, in <module> from catkin_pkg.packages import find_packages ImportError: No module named catkin_pkg.packages while processing /opt/ros/kinetic/share/turtlebot_gazebo/launch/includes/kobuki.launch.xml: Invalid <param> tag: Cannot load command parameter [robot_description]: command [/opt/ros/kinetic/share/xacro/xacro.py '/opt/ros/kinetic/share/turtlebot_description/robots/kobuki_hexagons_asus_xtion_pro.urdf.xacro'] returned with code [1].
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ruffy about 4 yearsYou have to link from system-python packages to ros packages:
ln -s /usr/lib/python3.8/site-packages/catkin_pkg /opt/ros/melodic/lib/python3.8/site-packages/catkin_pkg