piston_generic_helper.py crashed with OSError in makedirs(): [Errno 17] File exists: '/home/username/.cache/software-center/piston-helper'

[micred]

It crash about a minute after openeing through Unity dash

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: software-center 5.1.9
ProcVersionSignature: Ubuntu 3.2.0-17.26-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
Date: Mon Feb 20 13:03:13 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/share/software-center/piston_generic_helper.py
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/software-center/piston_generic_helper.py --datadir /usr/share/software-center/ RatingsAndReviewsAPI get_usefulness {"username":\ "tict"}
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=it_IT.UTF-8
PythonArgs: ['/usr/share/software-center/piston_generic_helper.py', '--datadir', '/usr/share/software-center/', 'RatingsAndReviewsAPI', 'get_usefulness', '{"username": "tict"}']
SourcePackage: software-center
Title: piston_generic_helper.py crashed with OSError in makedirs(): [Errno 17] File exists: '/home/username/.cache/software-center/piston-helper'
UpgradeStatus: Upgraded to precise on 2012-02-19 (0 days ago)
UserGroups: adm admin cdrom dialout dip lpadmin plugdev sambashare vboxusers

[Launchpad Janitor (janitor)]

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

[Robert Roth (evfool)]

Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.

[Gary Lasker (gary-lasker)]

Hi micred, this one is a duplicate of bug 803280 which is now fix-committed (please see that bug for details).

Thank you for your help!