code: def test_run_translation_no_trainer(self):
      tmp_dir = self.get_auto_remove_tmp_dir()
      testargs = f"""
              {self.examples_dir}/pytorch/translation/run_translation_no_trainer.py
              --model_name_or_path sshleifer/student_marian_en_ro_6_1
              --source_lang en
              --target_lang ro
              --train_file tests/fixtures/tests_samples/wmt16/sample.json
              --validation_file tests/fixtures/tests_samples/wmt16/sample.json
              --output_dir {tmp_dir}
              --max_train_steps=50
              --num_warmup_steps=8
              --learning_rate=3e-3
              --per_device_train_batch_size=2
              --per_device_eval_batch_size=1
              --source_lang en_XX
              --target_lang ro_RO
              --checkpointing_steps epoch
              --with_tracking
          """.split()
  
      run_command(self._launch_args + testargs)
      result = get_results(tmp_dir)
      self.assertGreaterEqual(result["eval_bleu"], 30)
      self.assertTrue(os.path.exists(os.path.join(tmp_dir, "epoch_0")))
      self.assertTrue(
          os.path.exists(
              os.path.join(tmp_dir, "translation_no_trainer")
          )
      )
  
imports: import argparse
  import json
  import logging
  import os
  import shutil
  import sys
  import tempfile
  from unittest import mock
  import torch
  from accelerate.utils import write_basic_config
  from transformers.testing_utils import TestCasePlus, get_gpu_count, is_flaky, run_command, slow, torch_device
  from transformers.utils import is_apex_available
label_desc: Use image node_id 10 for calling the ExamplesTestsNoTrainer obj's underlying member method code with example usage: obj.test_run_translation_no_trainer() without return types