if ( i != j ) {
final PhylogenyNode node_i = external_nodes.get( i );
final PhylogenyNode node_j = external_nodes.get( j );
- final PhylogenyNode lca = methods.obtainLCA( node_i, node_j );
+ final PhylogenyNode lca = PhylogenyMethods.obtainLCA( node_i, node_j );
final Event event = lca.getNodeData().getEvent();
final String node_i_name = node_i.getNodeData().getSequence().getName();
final String node_j_name = node_j.getNodeData().getSequence().getName();