def displayed_subtree(tree, labels):
#this is annoying, but Dendropy can consider the labels not matching depending on
#underscore vs. space issues
#Realized that using retain_taxa vs prune_taxa doesn't make any difference - dendropy
#used prune behind the scenes regardless
#DP3 vs. DP4
if hasattr(tree, 'taxon_namespace'):
newtree = Tree(tree, taxon_namespace=tree.taxon_namespace)
else:
newtree = Tree(tree, taxon_set=tree.taxon_set)
if isinstance(labels[0], str):
newtree.retain_taxa_with_labels(labels)
else:
newtree.retain_taxa(labels)
#compat_encode_bipartitions now maps delete_outdegree_one to collapse_unrooted_basal_bifurcation in DP 4
compat_encode_bipartitions(newtree, delete_outdegree_one=False)
return newtree
