code: def __init__(self, args):
      self.env = get_env()
  
      obs_dim = OBS_DIM
      action_dim = ACT_DIM
      self.action_dim = action_dim
  
      # Initialize model, algorithm, agent, replay_memory
      model = GridModel(obs_dim, action_dim)
      algorithm = SAC(
          model,
          gamma=GAMMA,
          tau=TAU,
          alpha=args.alpha,
          actor_lr=ACTOR_LR,
          critic_lr=CRITIC_LR,
      )
      self.agent = GridAgent(algorithm)
  
imports: import os
  import numpy
  import argparse
  import threading
  import time
  import parl
  from parl.utils import logger, summary, ReplayMemory
  from grid_model import GridModel
  from grid_agent import GridAgent
  from parl.algorithms import SAC
  from env_wrapper import get_env
label_desc: Use image node_id 1 to create a new Actor object from inherited base classes: object with example: obj = Actor(args)