duplicity crashed with ValueError in /usr/lib/python2.7/logging/__init__.py: bad marshal data (unknown type code)

[freeduck]

Looking through tabs in firefox

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: duplicity 0.6.18-0ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
Uname: Linux 3.2.0-21-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0-0ubuntu2
Architecture: amd64
Date: Sun Apr 1 23:05:39 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/duplicity
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
InterpreterPath: /usr/bin/python2.7
ProcCmdline: /usr/bin/python /usr/bin/duplicity --version
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/duplicity', '--version']
SourcePackage: duplicity
Title: duplicity crashed with ValueError in /usr/lib/python2.7/logging/__init__.py: bad marshal data (unknown type code)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Brian Murray (brian-murray)]

Further examples of this can be found at:

https://errors.ubuntu.com/problem/5b56cf70bb8fe037f020c4a2536d214092cb9823

Users are experiencing it on 12.04 and 12.10.