def check_marginal_likelihoods(tree, feature):
    """
    Sanity check: combined bottom-up and top-down likelihood of each node of the tree must be the same.

    :param tree: ete3.Tree, the tree of interest
    :param feature: str, character for which the likelihood is calculated
    :return: void, stores the node marginal likelihoods in the get_personalised_feature_name(feature, LH) feature.
    """
    lh_feature = get_personalized_feature_name(feature, LH)
    lh_sf_feature = get_personalized_feature_name(feature, LH_SF)

    for node in tree.traverse():
        if not node.is_root() and not (node.is_leaf() and node.dist == 0):
            node_loglh = np.log10(getattr(node, lh_feature).sum()) - getattr(node, lh_sf_feature)
            parent_loglh = np.log10(getattr(node.up, lh_feature).sum()) - getattr(node.up, lh_sf_feature)
            assert (round(node_loglh, 2) == round(parent_loglh, 2))