package python2.7-minimal 2.7.1-5ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 3

[muthukumar]

Plz help me solve this...
Reason of this bug, i am may not install the additional software

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: python2.7-minimal 2.7.1-5ubuntu2
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
Date: Sat Mar 3 23:00:32 2012
DpkgTerminalLog:
 Setting up python2.7-minimal (2.7.1-5ubuntu2) ...
 Linking and byte-compiling packages for runtime python2.7...
 E: pycompile:240: Requested versions are not installed
 dpkg: error processing python2.7-minimal (--configure):
  subprocess installed post-installation script returned error exit status 3
ErrorMessage: subprocess installed post-installation script returned error exit status 3
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
SourcePackage: python2.7
Title: package python2.7-minimal 2.7.1-5ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 3
UpgradeStatus: Upgraded to natty on 2011-11-03 (121 days ago)