class_docstr: Abstract class defining the functions that a Communicator should implement.
class_docstr_tok: ["Abstract","class","defining","the","functions","that","a","Communicator","should","implement","."]
docstr: Receives a tensor from a source src.
docstr_tok: ["Receives","a","tensor","from","a","source","src","."]
code: def recv_obj(self, src):
      """Receives a tensor from a source src."""
      raise NotImplementedError("recv_obj is not implemented")
  
imports: import sys
  import timeit
  from crypten.config import cfg
label_desc: Use image node_id 15 for calling the Communicator obj's underlying member method code with example usage: obj.recv_obj(src) without return types