def __describe_instances(self, parameters):
    conn = self.open_connection(parameters)
    reservations = conn.get_all_instances()
    instances = [i for r in reservations for i in r.instances]
    return instances
Ensure hash of Python's False boolean value is a hash of 'false'
dataset/ETHPy150Open AppScale/appscale-tools/lib/agents/ec2_agent.py/EC2Agent.__describe_instances--crossover with--dataset/ETHPy150Open ntoll/p4p2p/test/dht/test_crypto.py/TestGetHashFunction.test_get_hash_boolean_false