def connectionLost(self, reason):
        abstract.FileDescriptor.connectionLost(self, reason)
        os.close(self.fd)
        self.lostProcess += 1
        self.maybeCallProcessEnded()
Get the root annotations node global to the scene, creating it if necessary.
dataset/ETHPy150Open twisted/twisted/twisted/internet/process.py/PTYProcess.connectionLost--crossover with--dataset/ETHPy150Open acil-bwh/SlicerCIP/Scripted/CIP_Common/CIP/logic/SlicerUtil.py/SlicerUtil.getRootAnnotationsNode