'Weighted betweenness centrality: G2'

def test_G2(self):

    G = nx.DiGraph()
    G.add_weighted_edges_from([('s', 'u', 10), ('s', 'x', 5), ('u', 'v', 1), ('u', 'x', 2), ('v', 'y', 1), ('x', 'u', 3), ('x', 'v', 5), ('x', 'y', 2), ('y', 's', 7), ('y', 'v', 6)])
    b_answer = {'y': 5.0, 'x': 5.0, 's': 4.0, 'u': 2.0, 'v': 2.0}
    b = nx.betweenness_centrality(G, weight='weight', normalized=False)
    for n in sorted(G):
        assert_almost_equal(b[n], b_answer[n])
