package python-wxgtk2.8 2.8.12.1-11ubuntu3.1 failed to install/upgrade: failed to stat (dereference) existing symlink `/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/lib/agw/gradientbutton.py': Input/output error

[Marty]

Was simply installing updates. It happens everytime I try to install updates.

ProblemType: Package
DistroRelease: Ubuntu 13.04
Package: python-wxgtk2.8 2.8.12.1-11ubuntu3.1
ProcVersionSignature: Ubuntu 3.8.0-25.37-generic 3.8.13
Uname: Linux 3.8.0-25-generic i686
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: i386
Date: Sat Jul 13 18:26:13 2013
DpkgTerminalLog:
 Preparing to replace python-wxgtk2.8 2.8.12.1-11ubuntu3.1 (using .../python-wxgtk2.8_2.8.12.1-11ubuntu4_i386.deb) ...
 Unpacking replacement python-wxgtk2.8 ...
 dpkg: error processing /var/cache/apt/archives/python-wxgtk2.8_2.8.12.1-11ubuntu4_i386.deb (--unpack):
  failed to stat (dereference) existing symlink `/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/lib/agw/gradientbutton.py': Input/output error
DuplicateSignature: package:python-wxgtk2.8:2.8.12.1-11ubuntu3.1:failed to stat (dereference) existing symlink `/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/lib/agw/gradientbutton.py': Input/output error
ErrorMessage: failed to stat (dereference) existing symlink `/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/lib/agw/gradientbutton.py': Input/output error
InstallationDate: Installed on 2012-12-13 (212 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MarkForUpload: True
SourcePackage: wxwidgets2.8
Title: package python-wxgtk2.8 2.8.12.1-11ubuntu3.1 failed to install/upgrade: failed to stat (dereference) existing symlink `/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/lib/agw/gradientbutton.py': Input/output error
UpgradeStatus: Upgraded to raring on 2013-04-27 (77 days ago)