package python3-apt 0.9.3.11build1 failed to install/upgrade: package python3-apt is already installed and configured

[Henry König]

after restarting the system keeps telling me that there was a problem with the software. unfortunately i cannot provide further details

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: python3-apt 0.9.3.11build1
ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
Uname: Linux 3.19.0-16-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.17.2-0ubuntu1
AptdaemonVersion: 1.1.1+bzr982-0ubuntu3
Architecture: amd64
CrashReports:
 600:0:117:135668:2015-05-19 11:57:13.593219041 +1200:2015-05-19 11:57:14.593219041 +1200:/var/crash/python3-apt.0.crash
 664:1000:117:0:2015-05-13 18:25:26.667753317 +1200:2015-05-13 18:25:26.667753317 +1200:/var/crash/_usr_bin_nm-applet.1000.upload
 600:0:117:135692:2015-05-19 11:57:14.649219738 +1200:2015-05-19 11:57:14.601219152 +1200:/var/crash/language-selector-common.0.crash
 600:110:117:0:2015-05-17 23:43:32.615959731 +1200:2015-05-17 23:43:32.615959731 +1200:/var/crash/_usr_bin_nm-applet.1000.uploaded
 640:1000:117:1845520:2015-05-13 18:25:08.251667022 +1200:2015-05-17 22:01:56.231866601 +1200:/var/crash/_usr_bin_nm-applet.1000.crash
Date: Tue May 19 11:57:14 2015
DuplicateSignature: package:python3-apt:0.9.3.11build1:package python3-apt is already installed and configured
ErrorMessage: package python3-apt is already installed and configured
InstallationDate: Installed on 2015-04-01 (47 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4
SourcePackage: dpkg
Title: package python3-apt 0.9.3.11build1 failed to install/upgrade: package python3-apt is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)