def long_poll(self):
        self.update_config()
Visit the ancestors of C{entry} until one with at least one C{h2} child
dataset/ETHPy150Open UniversalDevicesInc/Polyglot/polyglot/node_servers/hue/hue.py/HueNodeServer.long_poll--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/lore/tree.py/getFirstAncestorWithSectionHeader