I followed the instructions to install `ros-melodic-desktop-full` on Ubuntu 18.04 from http://wiki.ros.org/melodic/Installation/Ubuntu. I noticed the command rosbag was not installed which requires installing `python-rosbag`.
When I try `sudo apt install python-rosbag`, I get the following error:
The following packages have unmet dependencies:
python-catkin-pkg-modules : Conflicts: catkin but 0.7.8-1 is to be installed
python-catkin-pkg : Conflicts: catkin but 0.7.8-1 is to be installed
Running `sudo aptitude install python-rosbag` doesn't resolve the issue. No hints either on http://wiki.ros.org/UpstreamPackages. I made sure all repositories are turned on, and 'source /opt/ros/melodic/setup.bash' is at the of my .bashrc.
Does anyone else have any other suggestions?
Thanks in advance
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