check-new-release-gtk crashed with TypeError in on_button_ask_me_later_clicked(): integer argument expected, got float

[Stu Card]

I had booted from a LiveUSB that had worked previously and was attempting to install Wine.
During the download, a message box popped asking me if I wanted to upgrade to Ubuntu 11.10,
then an error box popped saying the software install failed.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: update-manager 1:0.150
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Sat Nov 12 21:26:52 2011
ExecutablePath: /usr/lib/update-manager/check-new-release-gtk
InterpreterPath: /usr/bin/python2.7
LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
PackageArchitecture: all
ProcCmdline: /usr/bin/python2.7 /usr/lib/update-manager/check-new-release-gtk
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/lib/update-manager/check-new-release-gtk']
SourcePackage: update-manager
Title: check-new-release-gtk crashed with TypeError in on_button_ask_me_later_clicked(): integer argument expected, got float
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/update-manager/check-new-release-gtk", line 126, in on_button_ask_me_later_clicked
     client.set_int("/apps/update-notifier/release_check_time", next_check)
 TypeError: integer argument expected, got float
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #886564, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.