docstr: Config layers that needed to be unfreeze
  
  # Arguments
  names: Layers to unfreeze.
code: def unfreeze(self, names=None):
      """
      Config layers that needed to be unfreeze
  
      # Arguments
      names: Layers to unfreeze.
      """
      unfreeze_names = names if names else None
      if isinstance(unfreeze_names, six.string_types):
          unfreeze_names = [unfreeze_names]
      callZooFunc(
          self.bigdl_type, "zoounFreeze", self.value, unfreeze_names
      )
  
imports: import bigdl.dllib.keras.autograd
  from bigdl.dllib.feature.image import ImageSet
  from bigdl.dllib.feature.text import TextSet
  from bigdl.dllib.feature.common import FeatureSet
  from bigdl.dllib.keras.base import ZooKerasLayer
  from bigdl.dllib.keras.utils import *
  from bigdl.dllib.nn.layer import Layer
  from bigdl.dllib.utils.file_utils import callZooFunc
label_desc: Use image node_id 9 for calling the KerasNet obj's underlying member method code with example usage: obj.unfreeze(names) without return types