def expand_all_node_neighborhoods(universe, graph, filter_pathologies: bool = False) -> None:
    """Expand the neighborhoods of all nodes in the given graph.

    :param pybel.BELGraph universe: The graph containing the stuff to add
    :param pybel.BELGraph  graph: The graph to add stuff to
    :param filter_pathologies: Should expansion take place around pathologies?
    """
    for node in list(graph):
        if filter_pathologies and is_pathology(node):
            continue

        expand_node_neighborhood(universe, graph, node)