package python3-distupgrade 1:15.04.6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[William Bouterse]

Using grahical "softwaqre updater" I get
Failed to download repository information
I have an active connecdtion....
clicking "ok" button bings
"No Softwqre Updates Available"

using CL

#sudo apt-get dist-upgrade

dpkg: dependency problems prevent configuration of ubuntu-release-upgrader-gtk:
 ubuntu-release-upgrader-gtk depends on ubuntu-release-upgrader-core (= 1:15.04.6); however:
  Package ubuntu-release-upgrader-core is not configured yet.
 ubuntu-release-upgrader-gtk depends on python3-distupgrade (= 1:15.04.6); however:
  Package python3-distupgrade is not configured yet

dpkg: error processing package update-manager (--configure):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin (2.19-15ubuntu1) ...
Processing triggers for initramfs-tools (0.103ubuntu12) ...
update-initramfs: Generating /boot/initrd.img-3.18.0-13-generic
Processing triggers for menu (2.1.47ubuntu1) ...
Errors were encountered while processing:
 python3-distupgrade
 python3-update-manager
 ubuntu-release-upgrader-core
 update-manager-core
 ubuntu-release-upgrader-gtk
 update-manager
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: python3-distupgrade 1:15.04.6
ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5
Uname: Linux 3.18.0-13-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.16.1-0ubuntu2
Architecture: amd64
CrashDB: ubuntu
Date: Wed Feb 18 12:04:22 2015
DuplicateSignature: package:python3-distupgrade:1:15.04.6:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2015-02-12 (6 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150113)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Title: package python3-distupgrade 1:15.04.6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Brian Smith (brian-smith-i)]

also affects me