class_docstr: Tf.keras.Sequential with HPO capabilities.
class_docstr_tok: ["Tf.keras.Sequential","with","HPO","capabilities","."]
docstr: Add a layer.
  
  :param layer: the layer to be added.
docstr_tok: ["Add","a","layer",".",":","param","layer",":","the","layer","to","be","added","."]
code: def add(self, layer):
      """
      Add a layer.
  
      :param layer: the layer to be added.
      """
      # just add all layers into a cache
      # and layer will be instantiated later
      self.lazylayers_.append(layer)
  
file_path: BigDL/python/nano/src/bigdl/nano/automl/tf/keras/Sequential.py
imports: import tensorflow
  import copy
  from bigdl.nano.automl.utils import proxy_methods
  from bigdl.nano.automl.tf.mixin import HPOMixin
  from bigdl.nano.automl.hpo.space import AutoObject
label_desc: Use image node_id 2 for calling the Sequential obj's underlying member method code with example usage: obj.add(layer) without return types