def __setstate__(self, d):
        for key in self.keydata:
            if d.has_key(key): self.__dict__[key]=bignum(d[key])
On unpickling a key object, the key data is converted to the big
dataset/ETHPy150Open CollabQ/CollabQ/vendor/gdata/Crypto/PublicKey/pubkey.py/pubkey.__setstate__