def _done_callback(self, wrapped):
        if wrapped.exception():
            self.set_exception(wrapped.exception())
        else:
            self.set_result(wrapped.result())
Handles the indicated request directly, without additional processing.
dataset/ETHPy150Open thefab/tornadis/tornadis/utils.py/ContextManagerFuture._done_callback--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/dev_appserver_multiprocess.py/HandleRequestDirectly