Method f

python/python3/tornado/test/ioloop_test.py:470–473

()

        for i in range(3):

            def f():
                self.current_io_loop = IOLoop.current()
                assert self.io_loop is not None
                self.io_loop.stop()

            self.io_loop.add_callback(f)
            self.io_loop.start()