pkservice.py crashed with AttributeError in __init__(): 'module' object has no attribute 'MainLoop'

[Denys Usynin]

hp-plugin and hp-config fail to install HP printer driver.
there are more details in http://ubuntuforums.org/showthread.php?t=2269350

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: hplip-data 3.15.2-0ubuntu4
ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5
Uname: Linux 3.18.0-13-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.16.2-0ubuntu3
Architecture: amd64
CrashCounter: 1
CupsErrorLog:

Date: Thu Mar 19 23:13:14 2015
ExecutablePath: /usr/share/hplip/pkservice.py
InstallationDate: Installed on 2015-02-23 (27 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Alpha amd64 (20150222)
InterpreterPath: /usr/bin/python3.4
Lpstat: device for HP-LaserJet-Pro-MFP-M127fw: dnssd://HP%20LaserJet%20Pro%20MFP%20M127fw%5B3B0172%5D._pdl-datastream._tcp.local/
MachineType: MSI MS-7758
PackageArchitecture: all
Papersize: letter
PpdFiles: HP-LaserJet-Pro-MFP-M127fw: HP LaserJet Pro MFP m127fw, hpcups 3.15.2, requires proprietary plugin
ProcCmdline: /usr/bin/python3 /usr/bin/hp-pkservice
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.18.0-13-generic root=UUID=f62ddb7f-2f88-4a2b-b604-b8b17bfb0677 ro quiet splash
PythonArgs: ['/usr/bin/hp-pkservice']
SourcePackage: hplip
Title: pkservice.py crashed with AttributeError in __init__(): 'module' object has no attribute 'MainLoop'
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 06/19/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V2.4
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z77A-G43 (MS-7758)
dmi.board.vendor: MSI
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV2.4:bd06/19/2012:svnMSI:pnMS-7758:pvr1.0:rvnMSI:rnZ77A-G43(MS-7758):rvr1.0:cvnMSI:ct3:cvr1.0:
dmi.product.name: MS-7758
dmi.product.version: 1.0
dmi.sys.vendor: MSI

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1422004, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.