In Topology.pm you have to use edges02 as well as vertices02 if the graph is version 0.5.

Also your graph has no edges so there's nothing to plot.

I think new_vertices is an XS routine. On my system there's an Aesthetic.bundle file with the symbol 
000015ac T _XS_Graph__Layout__Aesthetic__Topology_new_vertices

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In reply to Re: Graph::Layout::Aesthetic::Topology question by jdalbec
in thread Graph::Layout::Aesthetic::Topology question by thekestrel

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