[Bug 1448777] Re: Dist upgrade fails. Due to python changes?

[Carl-Erik Kopseng]

** Attachment added: "relevant output dist upgrade"
   https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1448777/+attachment/4385017/+files/relevant_output_dist_upgrade.txt

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubuntu-release-upgrader in
Ubuntu.
https://bugs.launchpad.net/bugs/1448777

Title:
  Dist upgrade fails. Due to python changes?

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  I simply tried running `do-release-upgrade` to upgrade to 15.04 and
  after quite a while of answering dialogues, it finally seemed like I
  was getting close to a finish, but alas ...

  `Errors were encountered while processing:
   update-notifier-common
  Error in function:

  
  A fatal error occurred
  `

  More errors ensued. I am attaching the console output, as well as
  /var/log/dist-upgrade/main.log.

  It seems the changed python links might have broken the install
  process, as I can find both an import error and complaints about
  python symlinks pointing to the wrong place.

  The problem right now is that the system is bricked, and `dpkg
  -configura` won't fix it.

  sudo dpkg --configure -a
  [sudo] password for carl-erik:
  Setting up update-notifier-common (3.160) ...
  Traceback (most recent call last):
    File "/usr/lib/update-notifier/package-data-downloader", line 24, in <module>
      import debian.deb822
  ImportError: No module named debian.deb822
  dpkg: error processing package update-notifier-common (--configure):
   subprocess installed post-installation script returned error exit status 1
  Errors were encountered while processing:
   update-notifier-common

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1448777/+subscriptions