def METHOD_NAME(qm_timezone, queue_info):
    last_get_datestamp = queue_info.get(pymqi.CMQCFC.MQCACF_LAST_GET_DATE)
    last_get_timestamp = queue_info.get(pymqi.CMQCFC.MQCACF_LAST_GET_TIME)
    if not last_get_datestamp or not last_get_timestamp:
        return
    return calculate_elapsed_time(ensure_unicode(last_get_datestamp), ensure_unicode(last_get_timestamp), qm_timezone)