def load_last_committing_lockset(self):
        try:
            data = self.chainservice.db.get('last_committing_lockset')
        except __HOLE__:
            self.log('no last_committing_lockset could be loaded')
            return
        return rlp.decode(data, sedes=LockSet)
dataset/ETHPy150Open HydraChain/hydrachain/hydrachain/consensus/manager.py/ConsensusManager.load_last_committing_lockset