class_docstr: Client to register and await node reservations.
  
  Args:
    :server_addr: a tuple of (host, port) pointing to the Server.
docstr: Close the client socket.
docstr_tok: ["Close","the","client","socket","."]
code: def close(self):
      """Close the client socket."""
      self.sock.close()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import nested_scopes
  from __future__ import print_function
  import logging
  import os
  import pickle
  import select
  import socket
  import struct
  import sys
  import threading
  import time
  from .None import util
label_desc: Use image node_id 3 for calling the Client obj's underlying member method code with example usage: obj.close() without return types