code: def charlm_args(self):
      charlm = choose_pos_charlm("en", "test", "default")
      charlm_args = build_charlm_args(
          "en", charlm, model_dir=TEST_MODELS_DIR
      )
      return charlm_args
  
imports: import os
  import pytest
  import torch
  from stanza.models import tagger
  from stanza.models.common import pretrain
  from stanza.models.pos.trainer import Trainer
  from stanza.tests import TEST_WORKING_DIR, TEST_MODELS_DIR
  from stanza.utils.training.common import choose_pos_charlm, build_charlm_args
label_desc: Use image node_id 2 for calling the TestTagger obj's underlying member method code with example usage: obj.charlm_args() and returns: charlm_args