piston_generic_helper.py crashed with ValueError in raw_decode(): Expecting property name: line 1 column 1 (char 1)

[Liam McDermott]

This occurred after opening Software Centre, before I had started operating it, but just after bug 938337 manifested.

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
NonfreeKernelModules: fglrx
ApportVersion: 1.92-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Tue Feb 21 20:44:35 2012
ExecutablePath: /usr/share/software-center/piston_generic_helper.py
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120221)
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 review_stats {days:\ 14}
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/software-center/piston_generic_helper.py', '--datadir', '/usr/share/software-center/', 'RatingsAndReviewsAPI', 'review_stats', '{days: 14}']
SourcePackage: software-center
Title: piston_generic_helper.py crashed with ValueError in raw_decode(): Expecting property name: line 1 column 1 (char 1)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Launchpad Janitor (janitor)]

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