Method enqueue

examples/server/server.py:15484–15489

(self, command: Callable[[], None])

        self.scheduler.close()

    def enqueue(self, command: Callable[[], None]) -> None:
        with self.condition:
            if self.closed:
                raise RuntimeError("completion service closed")
            self.commands.append(command)
            self.condition.notify_all()

    def call_on_scheduler(self, callback: Callable[[], Any]) -> Any:
        result_box: Dict[str, Any] = {}