def fireChildRemovedEvent(self, child):
        self.invalidate()
        for l in self.changeListeners:
            try:
                l.onChildRemovedEvent(self, child)
            except __HOLE__:
                pass
dataset/ETHPy150Open mikrosimage/OpenRenderManagement/src/octopus/dispatcher/model/node.py/FolderNode.fireChildRemovedEvent