code: def _get_layers(model_path):
      model = LudwigModel.load(model_path)
      return [name for name, _ in model.model.named_children()]
  
file_path: ludwig/tests/integration_tests/test_collect.py
imports: import os
  import shutil
  import numpy
  import torch
  from ludwig.api import LudwigModel
  from ludwig.collect import collect_activations, collect_weights, print_model_summary
  from ludwig.constants import BATCH_SIZE, ENCODER, TRAINER, TYPE
  from ludwig.utils.torch_utils import get_torch_device
  from tests.integration_tests.utils import category_feature, ENCODERS, generate_data, sequence_feature
label_desc: Use image node_id 3 for calling a global function with example usage: _get_layers(model_path) and returns: unknown