Utilities Reference =================== Import path ----------- .. code-block:: python from phylognn.utils import get_max_meta_time Tree metadata helpers --------------------- .. py:function:: get_max_meta_time(tree) Traverse an `ete3.Tree` and return the maximum `meta_time` value among nodes that define it. Returns `None` if no node has `meta_time`. Related guide ------------- Use this helper when tree metadata imported from optional readers needs a simple maximum-time summary before feature engineering.