/usr/share/paludis/ruby/demos/find_unused_distfiles.rb:63: undefined method `version_specs' for #<Paludis::Repository:0xb7c5ab7c> (NoMethodError)
        from /usr/share/paludis/ruby/demos/find_unused_distfiles.rb:62:in `each'
        from /usr/share/paludis/ruby/demos/find_unused_distfiles.rb:62
        from /usr/share/paludis/ruby/demos/find_unused_distfiles.rb:61:in `each'
        from /usr/share/paludis/ruby/demos/find_unused_distfiles.rb:61
        from /usr/share/paludis/ruby/demos/find_unused_distfiles.rb:59:in `each'
        from /usr/share/paludis/ruby/demos/find_unused_distfiles.rb:59