def setdefault(self, key, default=None):
        'od.setdefault(k[,d]) -> od.get(k,d), also set od[k]=d if k not in od'
        if self in key:
            return self[key]
        self[key] = default
        return default
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/collections.py/OrderedDict.setdefault/swapped operands of `in`