code: def test_constructor(self, asr_model):
      asr_model.train()
      # TODO: make proper config and assert correct number of weights
      # Check to/from config_dict:
      confdict = asr_model.to_config_dict()
      instance2 = EncDecCTCModelBPE.from_config_dict(confdict)
      assert isinstance(instance2, EncDecCTCModelBPE)
  
imports: import copy
  import os
  import shutil
  import tempfile
  import pytest
  import torch
  from omegaconf import DictConfig
  from nemo.collections.asr.data import audio_to_text
  from nemo.collections.asr.models import configs
  from nemo.collections.asr.models.ctc_bpe_models import EncDecCTCModelBPE
  from nemo.collections.asr.parts.submodules.ctc_decoding import CTCBPEDecoding, CTCBPEDecodingConfig
  from nemo.collections.common import tokenizers
  from nemo.utils.config_utils import assert_dataclass_signature_match
label_desc: Use image node_id 1 for calling the TestEncDecCTCModel obj's underlying member method code with example usage: obj.test_constructor(asr_model) without return types