Stop the Bokeh Server.

        This stops and removes all Bokeh Server ``IOLoop`` callbacks, as well
        as stops the ``HTTPServer`` that this instance was configured with.

        Args:
            fast (bool):
                Whether to wait for orderly cleanup (default: True)

        Returns:
            None

def stop(self, wait=True):
        ''' Stop the Bokeh Server.

        This stops and removes all Bokeh Server ``IOLoop`` callbacks, as well
        as stops the ``HTTPServer`` that this instance was configured with.

        Args:
            fast (bool):
                Whether to wait for orderly cleanup (default: True)

        Returns:
            None

        '''
        assert not self._stopped, "Already stopped"
        self._stopped = True
        self._tornado.stop(wait)
        self._http.stop()