https://bugzilla.redhat.com/show_bug.cgi?id=987717
--- Comment #2 from Christopher Meng cickumqt@gmail.com --- (In reply to Peter Oliver from comment #1)
There's a newer upstream version of this module, 2.22, and version 2.14 is no-longer on CPAN proper. Worth setting Source0 to "http://backpan.perl.org/authors/id/R/RS/RSAVAGE/GraphViz2-%%7Bversion%7D.tgz...
Sorry for the late response, just saw it from SPAM...
Don't worry ;) I will update the URLs once all deps are resolved.