package compiz-plugins-main-default 1:0.9.5.94 bzr20110919-0ubuntu1 failed to install/upgrade: trying to overwrite '/usr/share/compiz/grid.xml', which is also in package compiz-plugins 1:0.9.4 bzr20110606-0ubuntu1~natty2

Bug Description

failed during upgrade from 11.04

ProblemType: Package
DistroRelease: Ubuntu 11.10
Package: compiz-plugins-main-default 1:0.9.5.94+bzr20110919-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
Date: Mon Sep 26 12:34:03 2011
DuplicateSignature:
Unpacking compiz-plugins-main-default (from .../compiz-plugins-main-default_1%3a0.9.5.94+bzr20110919-0ubuntu1_amd64.deb) ...
Replacing files in old package compiz-plugins-main ...
Replacing files in old package compiz-gnome ...
dpkg: error processing /var/cache/apt/archives/compiz-plugins-main-default_1%3a0.9.5.94+bzr20110919-0ubuntu1_amd64.deb (--unpack):
trying to overwrite '/usr/share/compiz/grid.xml', which is also in package compiz-plugins 1:0.9.4+bzr20110606-0ubuntu1~natty2
ErrorMessage: trying to overwrite '/usr/share/compiz/grid.xml', which is also in package compiz-plugins 1:0.9.4+bzr20110606-0ubuntu1~natty2
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427.1)
SourcePackage: compiz-plugins-main
Title: package compiz-plugins-main-default 1:0.9.5.94+bzr20110919-0ubuntu1 failed to install/upgrade: trying to overwrite '/usr/share/compiz/grid.xml', which is also in package compiz-plugins 1:0.9.4+bzr20110606-0ubuntu1~natty2
UpgradeStatus: Upgraded to oneiric on 2011年03月24日 (185 days ago)

I see this in the auto-upgrade-tester too:
http://people.canonical.com/~mvo/automatic-upgrade-testing/current/

This bug was fixed in the package compiz-plugins-main - 1:0.9.6-0ubuntu1

---------------
compiz-plugins-main (1:0.9.6-0ubuntu1) oneiric; urgency=low

* New upstream release:
- Maximizing a window causes compiz to hang (LP: #860257)
- snap movements can cause infinite loops in window movements (LP: #860646)
* Remove debian/patches/01_fix_ghost_windows.patch which is part of the new
upstream release
* debian/control:
- fix overwrite with natty compiz-plugins (LP: #859632)
-- Didier Roche <email address hidden> 2011年9月28日 14:20:00 +0200

im still stuck here :
package xdiagnose 1.2 failed to install/upgrade: trying to overwrite '/usr/share/apport/package-hooks/source_xorg.py', which is also in package x11-common 1:7.6 4ubuntu3.1

stuck while upgrading natty to oneiric ?