def expand_node_predecessors(universe, graph, node: BaseEntity) -> None:
    """Expand around the predecessors of the given node in the result graph.

    :param pybel.BELGraph universe: The graph containing the stuff to add
    :param pybel.BELGraph graph: The graph to add stuff to
    :param node: A BEL node
    """
    skip_successors = set()
    for successor in universe.successors(node):
        if successor in graph:
            skip_successors.add(successor)
            continue

        graph.add_node(successor, **universe.nodes[successor])

    graph.add_edges_from(
        (source, successor, key, data)
        for source, successor, key, data in universe.out_edges(node, data=True, keys=True)
        if successor not in skip_successors
    )

    update_node_helper(universe, graph)
    update_metadata(universe, graph)
Expand around the predecessors of the given node in the result graph.

    :param pybel.BELGraph universe: The graph containing the stuff to add
    :param pybel.BELGraph graph: The graph to add stuff to
    :param node: A BEL node