Martin

`split_distribution` crashes with `TypeError`

1

`split_distribution` crashes with `TypeError` -------------------------------------------- ### Steps to reproduce ### ```python import dendropy tree_list = dendropy.TreeList() tree_list.read_from_string( "(((A,B),C),(D,E));", "newick" ) tree_list.read_from_string( "(((A,D),E),(B,C));", "newick" ) split_distribution = tree_list.split_distribution() split_distribution.consensus_tree() ``` ###...