Comment 7 for bug 436182

OK, exactly the same (two new-lines required) to replicate this on dogfood which has:

$ dpkg-query -W apt python-apt
apt 0.7.9ubuntu17.5~0.CAT.8.04
python-apt 0.7.4ubuntu7.5

which, after checking with cjwatson is the same as the production publisher.