def quit(self):
    if self._inst:
      self._inst.quit(force=True)
      self._inst = None
If an L{Element} subclass overrides C{rend}, L{Element.render} calls
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/devappserver2/server.py/InteractiveCommandServer.quit--crossover with--dataset/ETHPy150Open twisted/nevow/nevow/test/test_element.py/ElementTests.test_overriddenRend