class_docstr: Generates prior towers for Phoenix.
class_docstr_tok: ["Generates","prior","towers","for","Phoenix","."]
docstr: See parent class.
docstr_tok: ["See","parent","class","."]
code: def _build_from_existing_checkpoint(
      self, model_dir, trial_mode, logits_dimension, is_training
  ):
      """See parent class."""
      if (
          trial_mode == trial_utils.TrialMode.DISTILLATION
          and not is_training
      ):
          return []
      return super(
          PriorGenerator, self
      )._build_from_existing_checkpoint(
          model_dir, trial_mode, logits_dimension, is_training
      )
  
file_path: model_search/model_search/generators/prior_generator.py
imports: import random
  from model_search.architecture import architecture_utils
  from model_search.generators import base_tower_generator
  from model_search.generators import trial_utils
  import tensorflow.compat.v2
label_desc: Use image node_id 9 for calling the PriorGenerator obj's underlying member method code with example usage: obj._build_from_existing_checkpoint(model_dir, trial_mode, logits_dimension, is_training) and returns: super, list