package python-pywbem (not installed) failed to install/upgrade: trying to overwrite '/usr/bin/wbemcli', which is also in package wbemcli 1.6.1-0ubuntu1

[Deepak C Shetty]

dpkshetty@deepak-ThinkPad-T60p:~/work/cimtest/cimtest$ sudo apt-get install python-pywbem
[sudo] password for dpkshetty:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  python-ply
Suggested packages:
  python-ply-doc
The following NEW packages will be installed:
  python-ply python-pywbem
0 upgraded, 2 newly installed, 0 to remove and 3 not upgraded.
Need to get 161 kB of archives.
After this operation, 983 kB of additional disk space will be used.
Do you want to continue [Y/n]? Y
Get:1 http://us.archive.ubuntu.com/ubuntu/ natty/universe python-ply all 3.3-1 [52.9 kB]
Get:2 http://us.archive.ubuntu.com/ubuntu/ natty/universe python-pywbem all 0.7.0-4 [108 kB]
Fetched 161 kB in 1s (94.7 kB/s)
Selecting previously deselected package python-ply.
(Reading database ... 197968 files and directories currently installed.)
Unpacking python-ply (from .../python-ply_3.3-1_all.deb) ...
Selecting previously deselected package python-pywbem.
Unpacking python-pywbem (from .../python-pywbem_0.7.0-4_all.deb) ...
dpkg: error processing /var/cache/apt/archives/python-pywbem_0.7.0-4_all.deb (--unpack):
 trying to overwrite '/usr/bin/wbemcli', which is also in package wbemcli 1.6.1-0ubuntu1
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/python-pywbem_0.7.0-4_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: python-pywbem (not installed)
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
AptOrdering:
 python-ply: Install
 python-pywbem: Install
 python-ply: Configure
 python-pywbem: Configure
Architecture: i386
Date: Wed Nov 30 11:27:53 2011
ErrorMessage: trying to overwrite '/usr/bin/wbemcli', which is also in package wbemcli 1.6.1-0ubuntu1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
SourcePackage: pywbem
Title: package python-pywbem (not installed) failed to install/upgrade: trying to overwrite '/usr/bin/wbemcli', which is also in package wbemcli 1.6.1-0ubuntu1
UpgradeStatus: No upgrade log present (probably fresh install)