Remove the last layer in a model
pop_layer(object)Keras model object
Other model functions: compile,
  evaluate.keras.engine.training.Model,
  evaluate_generator,
  fit_generator, fit,
  get_config, get_layer,
  keras_model_sequential,
  keras_model, multi_gpu_model,
  predict.keras.engine.training.Model,
  predict_generator,
  predict_on_batch,
  predict_proba,
  summary.keras.engine.training.Model,
  train_on_batch