[Bug 1444612] Re: do-release-upgrade crashed with TypeError in __init__(): wait_for_child() takes 1 positional argument but 2 were given

[Brian Murray]

In the Traceback we can see the following:

SystemError: E:dpkg was interrupted, you must manually run 'dpkg
--configure -a' to correct the problem.

Have you tried running the suggested command?

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https://bugs.launchpad.net/bugs/1444612

Title:
  do-release-upgrade crashed with TypeError in __init__():
  wait_for_child() takes 1 positional argument but 2 were given

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

Bug description:
  During installing "Ubuntu restricted extras" this error happened. My
  software updater is crashing.

  ProblemType: Crash
  DistroRelease: Ubuntu 15.04
  Package: ubuntu-release-upgrader-core 1:15.04.13
  ProcVersionSignature: Ubuntu 3.19.0-14.14-generic 3.19.3
  Uname: Linux 3.19.0-14-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.17.1-0ubuntu1
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed Apr 15 20:34:20 2015
  ExecutablePath: /usr/bin/do-release-upgrade
  InstallationDate: Installed on 2015-04-03 (11 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
  InterpreterPath: /usr/bin/python3.4
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/lib/ubuntu-release-upgrader/do-partial-upgrade --frontend=DistUpgradeViewGtk3
  PythonArgs: ['/usr/bin/do-release-upgrade', '--frontend=DistUpgradeViewGtk3']
  SourcePackage: ubuntu-release-upgrader
  Title: do-release-upgrade crashed with TypeError in __init__(): wait_for_child() takes 1 positional argument but 2 were given
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  VarLogDistupgradeTermlog:

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