code: def restore(self, model_path, restore_from_one_head):
      logger.info("restore model from {}".format(model_path))
      self.agent.load_params(model_path, restore_from_one_head)
  
imports: import grpc
  import json
  import numpy
  import os
  import queue
  import simulator_pb2
  import simulator_pb2_grpc
  import six
  import time
  import threading
  from args import get_server_args
  from collections import defaultdict
  from concurrent import futures
  from multi_head_ddpg import MultiHeadDDPG
  from opensim_agent import OpenSimAgent
  from opensim_model import OpenSimModel
  from parl.utils import logger
  from replay_memory import ReplayMemory
  from utils import calc_indicators, ScalarsManager, TransitionExperience
label_desc: Use image node_id 12 for calling the SimulatorServer obj's underlying member method code with example usage: obj.restore(model_path, restore_from_one_head) without return types