def stack_size(size=None):
    if size is not None:
        raise error("setting thread stack size not supported")
    return 0
This checks the failure authentication call which includes
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/_dummy_thread.py/stack_size--crossover with--dataset/ETHPy150Open facebook/fbpush/tests/test_push.py/FBPushJunoscriptRpcTestCase.test_failure_authentication