def connect_elb(aws_access_key_id=None, aws_secret_access_key=None, **kwargs):
    from boto.ec2.elb import ELBConnection
    return ELBConnection(aws_access_key_id, aws_secret_access_key, **kwargs)
Edge betweenness centrality: P4
dataset/ETHPy150Open darcyliu/storyboard/boto/__init__.py/connect_elb--crossover with--dataset/ETHPy150Open gkno/gkno_launcher/src/networkx/algorithms/centrality/tests/test_betweenness_centrality.py/TestEdgeBetweennessCentrality.test_normalized_P4