Hi

I followed the instructions from
http://puredata.info/docs/faq/debian

However I get an error when I do apt-get update:

atte@skagen:~$ sudo apt-get update
<snip>
Get:1 http://apt.puredata.info wheezy Release.gpg [876 B]
<snip>
Hit http://apt.puredata.info wheezy Release
Ign http://apt.puredata.info wheezy Release
<snip>
Ign http://apt.puredata.info wheezy/main Sources/DiffIndex
<snip>
Get:2 http://apt.puredata.info wheezy/main i386 Packages [1,594 B]
<snip>
Err http://apt.puredata.info wheezy/main i386 Packages
403 Forbidden
<snip>
Ign http://apt.puredata.info wheezy/main Translation-en_US
Ign http://apt.puredata.info wheezy/main Translation-en
Hit http://apt.puredata.info wheezy/main Sources
<snip>
Fetched 2,470 B in 2s (929 B/s)
W: GPG error: http://apt.puredata.info wheezy Release: The following signatures were invalid: BADSIG 9F0FE587374BBE81 Hans-Christoph Steiner <hans@guardianproject.info>
W: Failed to fetch http://apt.puredata.info/releases/dists/wheezy/main/binary-i386/Packages 403 Forbidden

E: Some index files failed to download. They have been ignored, or old ones used instead.