def StreamStart(self, event, loader):
    assert self._stack is None
    self._stack = []
    self._top = None
    self._results = []
The post-case cleanup method will return False and call C{addError} on
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/yaml_builder.py/BuilderHandler.StreamStart--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/trial/test/test_util.py/JanitorTests.test_postCaseCleanupWithErrors