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

[Botan]

Public bug reported:

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:

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


** Tags: amd64 apport-crash dist-upgrade vivid

** Information type changed from Private to Public

-- 
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/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:

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1444612/+subscriptions