edge_colors does not work on loops (fixed by #3541)

[mhampton]

The following example illustrates the problem. Loops are treated seperately, and not correctly colored (they are always black).

g = graphs.CompleteGraph(3)
g.loops(True)
g.add_edge(0,0)
c_dict = {"red":[(0,0)], "blue":[(0,1),(1,2),(0,2)]}
show(g.plot(edge_colors = c_dict))

[rlm]

Ticket #3541 is going to contain an overhaul of the graph plotting code. Since I'm refereeing, I'll make sure that this is fixed in that patch.

[mabshoff]

This ticket will be fixed by #3541, so let's move it to 3.3.

Cheers,

Michael

[ekirkman]

This is now fixed by #3541. Cheers.