[Bug 2067071] [NEW] cannot upgrade from 23.10 to 24.04, error in _install_t64_replacement_packages

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You have been subscribed to a public bug by Benjamin Drung (bdrung):

it crashes while calculating space - cannot proceed to package
downloading.

short from the logs:

File "/tmp/ubuntu-release-upgrader-4lhpwkx7/DistUpgrade/DistUpgradeCache.py", line 497, in pre_upgrade_rule
    self.quirks.run("PreDistUpgradeCache")
  File "/tmp/ubuntu-release-upgrader-4lhpwkx7/DistUpgrade/DistUpgradeQuirks.py", line 95, in run
    func()
  File "/tmp/ubuntu-release-upgrader-4lhpwkx7/DistUpgrade/DistUpgradeQuirks.py", line 191, in PreDistUpgradeCache
    self._install_t64_replacement_packages()
  File "/tmp/ubuntu-release-upgrader-4lhpwkx7/DistUpgrade/DistUpgradeQuirks.py", line 1845, in _install_t64_replacement_packages
    if replacement.candidate._cand != ver:
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute '_cand'


full logs attached as files.

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: High
         Status: Confirmed


** Tags: foundations-todo
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cannot upgrade from 23.10 to 24.04, error in _install_t64_replacement_packages
https://bugs.launchpad.net/bugs/2067071
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