def Lookup(self, user_str):
    raise NotImplementedError
The `rpc-error` element as returned in XML.         Multiple errors are returned as list of RPC errors
dataset/ETHPy150Open cloudbuilders/radioedit/jsontemplate.py/FunctionRegistry.Lookup--crossover with--dataset/ETHPy150Open ncclient/ncclient/ncclient/operations/rpc.py/RPCError.xml