pull-debian-source does not work

[Dimitri John Ledkov]

$ pull-debian-source fop
pull-debian-source: Error: Unable to retrieve package information from DDE: http://dde.debian.net/dde/q/udd/dist/d:debian/r:sid/p:fop/?t=json (<urlopen error [Errno -2] Name or service not known>)
pull-debian-source: Error: Unable to find fop in Debian suite "sid".

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: fop 1:1.1.dfsg2-1ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-22.27-generic 4.2.6
Uname: Linux 4.2.0-22-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Jan 4 12:02:10 2016
InstallationDate: Installed on 2012-01-12 (1452 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130318)
PackageArchitecture: all
SourcePackage: fop
SystemImageInfo: Error: command ['system-image-cli', '-i'] failed with exit code 2:
UpgradeStatus: Upgraded to wily on 2015-12-03 (31 days ago)