code: def get_cfg():
      cfg = AAYNBaseConfig()
      cfg.encoder_tokenizer.tokenizer_name = "yttm"
      cfg.encoder_tokenizer.tokenizer_model = (
          "tests/.data/yttm.4096.en-de.model"
      )
      cfg.decoder_tokenizer.tokenizer_name = "yttm"
      cfg.decoder_tokenizer.tokenizer_model = (
          "tests/.data/yttm.4096.en-de.model"
      )
      cfg.train_ds = None
      cfg.validation_ds = None
      cfg.test_ds = None
      return cfg
  
file_path: NeMo/tests/collections/nlp/test_nmt_model.py
imports: import os
  import shutil
  import tempfile
  import pytest
  import torch
  from omegaconf import DictConfig, OmegaConf
  from nemo.collections.nlp.models import MTEncDecModel
  from nemo.collections.nlp.models.machine_translation.mt_enc_dec_config import AAYNBaseConfig
label_desc: Use image node_id 2 for calling a global function with example usage: get_cfg() and returns: cfg