Public bug reported: The focal package for python3-pastescript is based on a python2 only package that was released in 2015 and doesn't work in focal.
https://packages.ubuntu.com/focal/python3-pastescript Here is the upstream package history https://pypi.org/project/PasteScript/2.0.2/#history When it's installed it causes python apps to fail to start. Error processing line 1 of /usr/lib/python3/dist- packages/PasteScript-2.0.2-nspkg.pth: Traceback (most recent call last): File "/usr/lib/python3.8/site.py", line 175, in addpackage exec(line) File "<string>", line 1, in <module> File "<frozen importlib._bootstrap>", line 553, in module_from_spec AttributeError: 'NoneType' object has no attribute 'loader' Remainder of file ignored ** Affects: pastescript (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1882137 Title: python3-pastescript is ancient To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pastescript/+bug/1882137/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs