It looks like you made some code changes to fix, but I did try the upgrade again and fails the same way:
res = f(*args, **kwargs) ^^^^^^^^^^^^^^^^^^ File "/tmp/ubuntu-release-upgrader-vh4mksxv/DistUpgrade/DistUpgradeCache.py", line 626, in distUp grade self.pre_upgrade_rule() File "/tmp/ubuntu-release-upgrader-vh4mksxv/DistUpgrade/DistUpgradeCache.py", line 497, in pre_up grade_rule self.quirks.run("PreDistUpgradeCache") File "/tmp/ubuntu-release-upgrader-vh4mksxv/DistUpgrade/DistUpgradeQuirks.py", line 95, in run func() File "/tmp/ubuntu-release-upgrader-vh4mksxv/DistUpgrade/DistUpgradeQuirks.py", line 191, in PreDi stUpgradeCache self._install_t64_replacement_packages() File "/tmp/ubuntu-release-upgrader-vh4mksxv/DistUpgrade/DistUpgradeQuirks.py", line 1845, in _install_t64_replacement_packages if replacement.candidate._cand != ver: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ AttributeError: 'NoneType' object has no attribute '_cand' Any chance the changes could be released or is there a way I can test them? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2067071 Title: cannot upgrade from 23.10 to 24.04, error in _install_t64_replacement_packages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2067071/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs