def addChild(self, parentId, childId, childVertex=None):
        self.addEdge(parentId, childId)
        self.setVertex(childId, childVertex)
Notifies admins of package being unlocked.
dataset/ETHPy150Open charanpald/APGL/apgl/graph/DictTree.py/DictTree.addChild--crossover with--dataset/ETHPy150Open google/simian/src/simian/mac/admin/package.py/Package.NotifyAdminsOfPackageUnlock