code: def test_tt_eval_simple():
      happy_tt.eval("../data/tt/train-eval-grammar.csv")
  
file_path: happy-transformer/tests/test_tt.py
imports: import torch
  from happytransformer import HappyTextToText, TTSettings, TTTrainArgs, TTEvalArgs
  from tests import happy_tt
  from tests.run_save_load import run_save_load
label_desc: Use image node_id 7 for calling a global function with example usage: test_tt_eval_simple() without return types