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):
      # all other functions get forwarded to the index
      return getattr(self.index, f)
  
file_path: faiss/contrib/client_server.py
imports: from multiprocessing.pool import ThreadPool
  import faiss
  from typing import List, Tuple
  from .None import rpc
label_desc: Use image node_id 4 for calling the SearchServer obj's underlying member method code with example usage: obj.__getattr__(f) and returns: getattr