import collections

global count
count = 0

class Evil():
    def __eq__(self, other):
        global count
        print(count)

        if count == 1:
            l.clear()
            print("cleared l")

        count += 1
        return True

    def __hash__(self):
        return 3

l = collections.OrderedDict({Evil(): 4, 5: 6})
r = collections.OrderedDict({Evil(): 4, 5: 6})

print(l == r)