code: def __getattr__(self, attr):
      if attr in self.meters:
          return self.meters[attr]
      if attr in self.__dict__:
          return self.__dict__[attr]
      raise AttributeError(
          "'{}' object has no attribute '{}'".format(
              type(self).__name__, attr
          )
      )
  
imports: from collections import defaultdict, deque
  import datetime
  import pickle
  import time
  import errno
  import os
  from contextlib import contextmanager
  import torch
  import torch.distributed
label_desc: Use image node_id 3 for calling the MetricLogger obj's underlying member method code with example usage: obj.__getattr__(attr) and returns: self, self