epidermis.py crashed with DBusException in call_blocking()

[Williams Orellana]

Crashed when I want to apply a Metacity theme

Epidermis 0.5.1
Ubuntu 9.10 Karmic Koala
Python 2.6.4

ProblemType: Crash
.etc.epidermis.conf:
 [epidermis]
 access_root=policykit
Architecture: i386
CrashDB: epidermis
Date: Tue Apr 13 21:55:01 2010
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/share/epidermis/epidermis/epidermis.py
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
InstalledPigments:
 Error: command ['find', '/usr/share/epidermis/pigments', '-mindepth', '2', '-type', 'd'] failed with exit code 1: find: `/usr/share/epidermis/pigments': No such file or directory
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: nvidia
Package: epidermis 0.5.1-1
PackageArchitecture: all
ProcCmdline: /usr/bin/python2.6 /usr/share/epidermis/epidermis/epidermis.py
ProcEnviron:
 LANG=es_SV.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-20.58-generic
PythonArgs: ['/usr/share/epidermis/epidermis/epidermis.py']
SourcePackage: epidermis
ThirdParty: True
Title: epidermis.py crashed with DBusException in call_blocking()
Uname: Linux 2.6.31-20-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[David D Lowe (flimm)]

I'll look into the bug, but a workaround is to edit /etc/epidermis.conf to:
[epidermis]
access_root=gksu