gtg crashed with ImportError in get_backends_list(): No module named backend_localfile

[lezamal]

gtg don't start and generated a bugs report

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gtg 0.2.4-6
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic i686
ApportVersion: 1.93-0ubuntu2
Architecture: i386
Date: Sun Feb 26 18:23:59 2012
ExecutablePath: /usr/share/gtg/gtg
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20111129.1)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gtg
ProcEnviron:
 LANGUAGE=es_VE:es
 PATH=(custom, no user)
 LANG=es_VE.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/gtg']
SourcePackage: gtg
Title: gtg crashed with ImportError in get_backends_list(): No module named backend_localfile
UpgradeStatus: Upgraded to precise on 2012-02-18 (8 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo