code: def load_model_from_yaml_file_only(file_name):
      # read the class name first, and then
      # load the appropriate class
      yaml_data = deeplift.util.load_yaml_data_from_file(file_name)
      model_class = eval(yaml_data[Model.YamlKeys.model_class])
      return model_class.load_model_from_yaml_contents_only(
          yaml_data[Model.YamlKeys.yaml_contents]
      )
  
imports: from __future__ import division
  from __future__ import print_function
  from __future__ import absolute_import
  import sys
  import os
  import numpy
  import yaml
  from collections import namedtuple
  from collections import OrderedDict
  from collections import defaultdict
  import deeplift.util
  from deeplift import layers
  from deeplift.layers import *
  from deeplift.layers import ScoringMode
  from deeplift.util import compile_func
label_desc: Use image node_id 10 for calling the Model obj's underlying member method code with example usage: obj.load_model_from_yaml_file_only(file_name) and returns: model_class