lib/percheron/graph.rb in percheron-0.7.9 vs lib/percheron/graph.rb in percheron-0.7.10

@@ -63,11 +63,11 @@
         nodes[unit.name] = graphs[unit.pseudo_name].add_nodes(unit.name, pseudo_node_opts(unit))
       end
 
       def create_cluster(unit)
         return nil if graphs[unit.pseudo_name]
-        opts = 'cluster%s' % graphs.keys.count, cluster_opts(unit)
-        graphs[unit.pseudo_name] = graph.add_graph(opts)
+        name = 'cluster%s' % graphs.keys.count
+        graphs[unit.pseudo_name] = graph.add_graph(name, cluster_opts(unit))
       end
 
       def cluster_opts(unit)
         { label: unit.pseudo_name, style: 'filled', color: 'lightgrey' }
       end