[Bug 1077938] [NEW] Can not upgrade to development release

[Thomas Bechtold]

Public bug reported:

I tried to do a release upgrade and got the following error:

$ sudo do-release-upgrade  -d
Checking for a new Ubuntu release
Traceback (most recent call last):
  File "/usr/bin/do-release-upgrade", line 145, in <module>
    fetcher.run_options += ["--mode=%s" % options.mode,
AttributeError: type object 'DistUpgradeFetcherCore' has no attribute 'run_options'

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: ubuntu-release-upgrader-core 1:0.190.3
ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
Uname: Linux 3.5.0-18-generic i686
ApportVersion: 2.6.1-0ubuntu6
Architecture: i386
Date: Mon Nov 12 14:25:17 2012
InstallationDate: Installed on 2012-06-16 (148 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423.2)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to quantal on 2012-06-23 (141 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug dist-upgrade i386 quantal running-unity

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https://bugs.launchpad.net/bugs/1077938

Title:
  Can not upgrade to development release

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

Bug description:
  I tried to do a release upgrade and got the following error:

  $ sudo do-release-upgrade  -d
  Checking for a new Ubuntu release
  Traceback (most recent call last):
    File "/usr/bin/do-release-upgrade", line 145, in <module>
      fetcher.run_options += ["--mode=%s" % options.mode,
  AttributeError: type object 'DistUpgradeFetcherCore' has no attribute 'run_options'

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: ubuntu-release-upgrader-core 1:0.190.3
  ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
  Uname: Linux 3.5.0-18-generic i686
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: i386
  Date: Mon Nov 12 14:25:17 2012
  InstallationDate: Installed on 2012-06-16 (148 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423.2)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to quantal on 2012-06-23 (141 days ago)
  VarLogDistupgradeTermlog:

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