class_docstr: Assign version that can be exposed via RPC 
class_docstr_tok: ["Assign","version","that","can","be","exposed","via","RPC"]
code: def __getattr__(self, f):
      return getattr(self.index, f)
  
imports: import time
  from faiss.contrib import rpc
  import combined_index
  import argparse
  from multiprocessing.pool import ThreadPool
  import faiss
  import numpy
label_desc: Use image node_id 2 for calling the MyServer obj's underlying member method code with example usage: obj.__getattr__(f) and returns: getattr