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It seems to be the same underlying error responsible for these three bugs, so I've taken this one which contains the longest DpkgTerminal.log and marked the other two as duplicates. Based on the following error it seems like the python-configparser package might be the root cause Traceback (most recent call last): File "/usr/bin/pycompile", line 35, in <module> from debpython.version import SUPPORTED, debsorted, vrepr, \ File "/usr/share/python/debpython/version.py", line 24, in <module> from ConfigParser import SafeConfigParser ModuleNotFoundError: No module named 'ConfigParser' I must admit I'm not quite sure how it is broken though... ** Also affects: configparser (Ubuntu) Importance: Undecided Status: New ** Also affects: python-wrapt (Ubuntu) Importance: Undecided Status: New ** Also affects: isort (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/1698682 Title: package python-lazy-object-proxy 1.2.2-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/configparser/+bug/1698682/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs