@property
    def drefs_from(self):
        for line in self.lines:
            for ea in line.drefs_from:
                yield ea
When the cluster state includes one container, the endpoint
dataset/ETHPy150Open tmr232/Sark/sark/code/function.py/Function.drefs_from--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/control/test/test_httpapi.py/ContainerStateTestsMixin.test_one_container