code: def test_gen_train_hp():
      # Can only be used if fp16 if CUDA is available
      if torch.cuda.is_available():
          args = GENTrainArgs(fp16=True)
          happy_gen.train("../data/gen/train-eval.txt", args=args)
  
imports: import torch
  from happytransformer import HappyGeneration, GENSettings, GENTrainArgs, GENEvalArgs
  import pytest
  from tests.run_save_load import run_save_load
  from tests import happy_gen
label_desc: Use image node_id 7 for calling a global function with example usage: test_gen_train_hp() without return types