def flush(self):
    self._lock_and_call(self._flush)
Activate takes only one caption and device, get only one element
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/logservice/logservice.py/LogsBuffer.flush--crossover with--dataset/ETHPy150Open openlmi/openlmi-scripts/commands/networking/lmi/scripts/networking/cmd.py/Enslave.transform_options