dict(sorted(dictionary.items(), key=operator.itemgetter(1)) does not always return a ordered dict when the value is a list

Question

I have a dict:

count2:defaultdict(, {\'i\': [3, 2, 2, 1], \'w\': [2, 2], \'p\': [2, 2], \'d\': [2, 2], \'m\': [2, 2], \'y\': [2, 2, 2, 1],