@property
  def offset(self):
    if self.__pb.has_offset():
      return self.__pb.offset().Encode()
    return None
wasSuccessful() is True when there have been only successes, False
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/logservice/logservice.py/RequestLog.offset--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/trial/test/test_reporter.py/ReporterInterfaceTests.test_wasSuccessfulTrueAfterSuccesses