[Bug 902401] Re: lucid to precise does not work

[cpatrick08]

** Attachment added: "main.log"
   https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/902401/+attachment/2626379/+files/main.log

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Title:
  lucid to precise does not work

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  i tried to do sudo update-manager -c -d in the terminal and got
  following error message

  authenticate 'precise.tar.gz' against 'precise.tar.gz.gpg'
  extracting 'precise.tar.gz'
  WARNING: Failed to read mirror file
  Traceback (most recent call last):
    File "/tmp/tmpASDH1E/precise", line 7, in <module>
      sys.exit(main())
    File "/tmp/tmpASDH1E/DistUpgradeMain.py", line 218, in main
      if app.run():
    File "/tmp/tmpASDH1E/DistUpgradeController.py", line 1687, in run
      return self.fullUpgrade()
    File "/tmp/tmpASDH1E/DistUpgradeController.py", line 1561, in fullUpgrade
      if not self.getRequiredBackports():
    File "/tmp/tmpASDH1E/DistUpgradeController.py", line 1504, in getRequiredBackports
      self._view.getInstallProgress())

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