Comment 13 for bug 244453

Verified in maverick using the package in proposed.

Reproducing the error (note: the authenticated repo I'm using is lucid, but it doesn't matter because all I want is the 401 error):
root@ls3:~# /usr/share/smart/smart update aptsync-934815f120a8ad05a851477558b537ba
Loading cache...
Updating cache... ########################################################################################## [100%]

Fetching information for 'lucid - main'...
-> https://ahasenack:*@private-ppa.launchpad.net/landscape/lds-proposed/ubuntu/dists/lucid/Release.gpg
Release.gpg ########################################################################################## [ 33%]
-> https://ahasenack:*@private-ppa.launchpad.net/landscape/lds-proposed/ubuntu/dists/lucid/Release
Release ########################################################################################## [ 66%]
error: Channel 'lucid - main' signed with unknown key

Updating the package:

root@ls3:~# apt-get install python-smartpm
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be upgraded:
  python-smartpm
1 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.
Need to get 258kB of archives.
After this operation, 0B of additional disk space will be used.
Get:1 http://us.archive.ubuntu.com/ubuntu/ maverick-proposed/main python-smartpm i386 1.3-1ubuntu0.2 [258kB]
Fetched 258kB in 0s (390kB/s)
(Reading database ... 56327 files and directories currently installed.)
Preparing to replace python-smartpm 1.3-1ubuntu0.1 (using .../python-smartpm_1.3-1ubuntu0.2_i386.deb) ...
Unpacking replacement python-smartpm ...
Processing triggers for python-support ...
Setting up python-smartpm (1.3-1ubuntu0.2) ...
Processing triggers for python-support ...

Running again, now we get a proper 401:

root@ls3:~# /usr/share/smart/smart update aptsync-934815f120a8ad05a851477558b537ba
Loading cache...
Updating cache... ########################################################################################## [100%]

Fetching information for 'lucid - main'...
-> https://ahasenack:*@private-ppa.launchpad.net/landscape/lds-proposed/ubuntu/dists/lucid/Release.gpg
Release.gpg [ 0%]
-> https://ahasenack:*@private-ppa.launchpad.net/landscape/lds-proposed/ubuntu/dists/lucid/Release
Release [ 0%]
error: Download of Release failed for channel 'lucid - main': The requested URL returned error: 401