def lookup(ll_type):
    res = __get_ll_type__(ll_type)
    if res:
        return res[0]
    else:
        return res
KafkaConnection copies work as expected
dataset/ETHPy150Open kisom/pypcapfile/pcapfile/linklayer.py/lookup--crossover with--dataset/ETHPy150Open dpkp/kafka-python/test/test_conn_legacy.py/TestKafkaConnection.test_copy