def test_bool(self):
        prio_set_list = event._PrioritizedSetList()

        assert bool(prio_set_list) is False

        prio_set_list.add(0, None)
        assert bool(prio_set_list) is True
def send(self, command):
        if self._bufferedCommands is None:
            self._bufferedCommands = command
        else:
            self._bufferedCommands += "\n" + command