package-data-downloader crashed with ValueError in command(): invalid literal for int() with base 10: ''

[Patrick Liniger]

"as usual", crash message appearing at logon....

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: update-notifier-common 0.119ubuntu5
ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
Uname: Linux 3.2.0-22-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0-0ubuntu4
Architecture: amd64
Date: Tue Apr 10 07:53:20 2012
ExecutablePath: /usr/lib/update-notifier/package-data-downloader
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120316)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/lib/update-notifier/package-data-downloader
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 SHELL=/bin/sh
PythonArgs: ['/usr/lib/update-notifier/package-data-downloader']
SourcePackage: update-notifier
Title: package-data-downloader crashed with ValueError in command(): invalid literal for int() with base 10: ''
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Steve Langasek (vorlon)]

Reassigning this to debconf. As near as I can tell, we're doing everything right here with the debconf python API and should be avoiding any pitfalls with debconf frontends, so this looks like an error condition the python module should be handling for us.