class_docstr: This class is responsible for building components for matting. 
class_docstr_tok: ["This","class","is","responsible","for","building","components","for","matting","."]
code: def model(self) -> paddle.nn.Layer:
      model_cfg = self.config.model_cfg
      assert (
          model_cfg != {}
      ), "No model specified in the configuration file."
      self.show_msg("model", model_cfg)
      return self.build_component(model_cfg)
  
file_path: PaddleSeg/Matting/ppmatting/utils/config.py
imports: import codecs
  import os
  from typing import Any, Dict, Generic
  import warnings
  from ast import literal_eval
  import paddle
  import yaml
  import six
  import paddleseg
  from paddleseg.utils import logger
  from paddleseg.cvlibs import config_checker
  from paddleseg.utils.utils import CachedProperty
label_desc: Use image node_id 1 for calling the MatBuilder obj's underlying member method code with example usage: obj.model() and returns: self