add-apt-repository crashed with HTTPError in http_error_default(): HTTP Error 404: Not Found

[Douglas]

Cant add repositories via apt

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: python-software-properties 0.81.6
ProcVersionSignature: Ubuntu 3.0.0-8.11-generic 3.0.1
Uname: Linux 3.0.0-8-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
Date: Tue Aug 16 21:36:28 2011
ExecutablePath: /usr/bin/add-apt-repository
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110807)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/add-apt-repository ppa:cairo-dock-team/weekly/ubuntu
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/add-apt-repository', 'ppa:cairo-dock-team/weekly/ubuntu']
SourcePackage: software-properties
Title: add-apt-repository crashed with HTTPError in http_error_default(): HTTP Error 404: Not Found
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Mathieu Marquer (slasher-fun)]

Happens when trying to add a non-existent PPA repository with add-apt-repository.

[Robert Roth (evfool)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug #887249, so it 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. Feel free to continue to report any other bugs you may find.