python-rospkg was dropped with all Python 2 packages before focal. You log states python-rospkg-modules 1.3.0-1 as conflicting. That was never part of a Ubuntu release but probably from packages.ros.org.
** Changed in: ros-rospkg (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1950245 Title: package python-rospkg (not installed) failed to install/upgrade: '/usr/lib/python2.7/dist-packages/rospkg/__init__.py' を上書きしようとしています。これはパッケージ python-rospkg-modules 1.3.0-1 にも存在します To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ros-rospkg/+bug/1950245/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs