code: def get(self):
      return self.ema if self.ema is not None else 0.0
  
imports: import os
  import torch
  import random
  import numpy
  from transformers import set_seed, AutoTokenizer
  import json
  import deepspeed
  from deepspeed.runtime.zero.partition_parameters import ZeroParamStatus
  from deepspeed.accelerator import get_accelerator
  import torch.nn
label_desc: Use image node_id 3 for calling the ExponentialMovingAverage obj's underlying member method code with example usage: obj.get() and returns: unknown