code: def update_from_meter(self, meter):
      for key, value in meter.meters.items():
          assert isinstance(value, SmoothedValue)
          self.meters[key] = value
  
imports: from collections import defaultdict, deque
  import torch
  from mmf.common.registry import registry
  from mmf.utils.distributed import reduce_dict
  from mmf.utils.general import scalarize_dict_values
label_desc: Use image node_id 4 for calling the Meter obj's underlying member method code with example usage: obj.update_from_meter(meter) without return types