206
206
label.append('d%d' % distances[node])
207
207
return Node("n%d" % num, color=color, label="\\n".join(label),
208
208
rev_id=node, cluster=cluster)
215
212
for node, parents in ancestors.iteritems():
216
213
if node not in dot_nodes:
219
220
node_relations.append((dot_nodes[parent], dot_nodes[node]))