code: def compute(self):
      mae = sum(self.mae_list) / len(self.mae_list)
      return mae
  
imports: from collections import defaultdict, deque
  import datetime
  import time
  import torch
  import torch.distributed
  import torch.nn.functional
  import errno
  import os
label_desc: Use image node_id 3 for calling the MeanAbsoluteError obj's underlying member method code with example usage: obj.compute() and returns: mae