def get_blacklist_root_path(self, app_id):
    return PATH_SEPARATOR.join([self.get_transaction_prefix_path(app_id),
      TX_BLACKLIST_PATH])
Returns the location of the ZooKeeper node whose children are
dataset/ETHPy150Open AppScale/appscale/AppDB/zkappscale/zktransaction.py/ZKTransaction.get_blacklist_root_path