package sudo 1.7.4p4-5ubuntu7 failed to install/upgrade: unable to open '/usr/bin/sudoedit.dpkg-new': Text file busy

[komputes]

Binary package hint: sudo

I had /etc/sudoers open in gnome-terminal via the command 'sudo visudo' while update-manager was installing all the updates post-cd install.

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: sudo 1.7.4p4-5ubuntu7
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Tue Jun 7 17:26:13 2011
ErrorMessage: unable to open '/usr/bin/sudoedit.dpkg-new': Text file busy
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
SourcePackage: sudo
Title: package sudo 1.7.4p4-5ubuntu7 failed to install/upgrade: unable to open '/usr/bin/sudoedit.dpkg-new': Text file busy
UpgradeStatus: No upgrade log present (probably fresh install)
VisudoCheck: Error: command ['/usr/sbin/visudo', '-c'] failed with exit code 1: visudo: /etc/sudoers.d/README busy, try again later