def moreObjectionsTo(self, path, result):
        if result is not None:
            for obstruction in path.of(IObstruction):
                yield obstruction.whyNot()
Yield an objection from each L{IObstruction.whyNot} method annotating
dataset/ETHPy150Open twisted/imaginary/imaginary/idea.py/Reachable.moreObjectionsTo