Method _clear_current

python/python3/tornado/ioloop.py:325–328

()

    @staticmethod
    def _clear_current() -> None:
        old = IOLoop.current(instance=False)
        if old is not None:
            old._clear_current_hook()

    def _clear_current_hook(self) -> None:
        """Instance method called when an IOLoop ceases to be current.