def dispose(self):

        self.on_next = noop
        self.is_stopped = True
Decorator for marking a function deprecated. Generates a warning on
dataset/ETHPy150Open ReactiveX/RxPY/rx/abstractobserver.py/AbstractObserver.dispose--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/grizzled/grizzled/decorators.py/deprecated