code: def to_model(self):
      from zoo.pipeline.api.keras.models import Model
  
      return Model.from_jvalue(
          callZooFunc(self.bigdl_type, "kerasNetToModel", self.value)
      )
  
imports: import zoo.pipeline.api.autograd
  from zoo.feature.image import ImageSet
  from zoo.feature.text import TextSet
  from zoo.feature.common import FeatureSet
  from zoo.pipeline.api.keras.base import ZooKerasLayer
  from zoo.pipeline.api.keras.utils import *
  from bigdl.nn.layer import Layer
  from zoo.common.utils import callZooFunc
label_desc: Use image node_id 20 for calling the KerasNet obj's underlying member method code with example usage: obj.to_model() and returns: Model