def pop(self):
        try:
            key = heapq.heappop(self.heap)
            return self.elements[key]
        except:
            raise StopIteration
Test for Check if the given IP address is a private address
dataset/ETHPy150Open Stiivi/brewery/brewery/nodes/base.py/Stack.pop--crossover with--dataset/ETHPy150Open saltstack/salt/tests/unit/modules/network_test.py/NetworkTestCase.test_is_private