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 chunkstring(s, n):
    return [ s[i:i+n] for i in xrange(0, len(s), n) ]