code: def batch_size(self):
      # Isn't used because we override _loglikelihood_tokens
      raise NotImplementedError()
  
imports: import os
  import numpy
  import transformers
  from lm_eval.base import BaseLM
  from lm_eval import utils
  from tqdm import tqdm
  import time
label_desc: Use image node_id 5 for calling the GPT3LM obj's underlying member method code with example usage: obj.batch_size() without return types