def __getitem__(self, key):
        try:
            list_ = dict.__getitem__(self, key)
        except KeyError:
            raise MultiValueDictKeyError("Key %r not found in %r" % (key, self))
        try:
            return list_[-1]
        except IndexError:
            return []
I guess we need to resolve all potential prefixes
dataset/ETHPy150Open wcong/ants/ants/utils/datatypes.py/MultiValueDict.__getitem__--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/SOAPpy/wstools/Utility.py/ElementProxy._getUniquePrefix