class_docstr: Client to register and await node reservations.
  
  Args:
    :server_addr: a tuple of (host, port) pointing to the Server.
docstr: Get current list of reservations.
docstr_tok: ["Get","current","list","of","reservations","."]
code: def get_reservations(self):
      """Get current list of reservations."""
      cluster_info = self._request("QINFO")
      return cluster_info
  
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 5 for calling the Client obj's underlying member method code with example usage: obj.get_reservations() and returns: cluster_info