          """ Increment :attr:`iterations` and session iterations by 1. """
          self._iterations += 1
          self._sessions[self._session_id]["iterations"] += 1
  
      def _load(self, config_changeable_items: dict) -> None:
          """ Load a state file and set the serialized values to the class instance.
  
          Updates the model's config with the values stored in the state file.
  
          Parameters
 
</s> remove     def _set_keras_mixed_precision(cls, use_mixed_precision: bool, exclude_gpus: bool) -> bool:
 </s> add     def _set_keras_mixed_precision(cls, use_mixed_precision: bool) -> bool:
    def add_mixed_precision_layers(self, layers: List[str]) -> None:
        """ Add the list of model's layers that are compatible for mixed precision to the
        state dictionary """
        logger.debug("Storing mixed precision layers: %s", layers)
        self._mixed_precision_layers = layers

          """ Increment :attr:`iterations` and session iterations by 1. """
          self._iterations += 1
          self._sessions[self._session_id]["iterations"] += 1
  
    def add_mixed_precision_layers(self, layers: List[str]) -> None:
        """ Add the list of model's layers that are compatible for mixed precision to the
        state dictionary """
        logger.debug("Storing mixed precision layers: %s", layers)
        self._mixed_precision_layers = layers

      def _load(self, config_changeable_items: dict) -> None:
          """ Load a state file and set the serialized values to the class instance.
  
          Updates the model's config with the values stored in the state file.
  
          Parameters
keep keep keep add keep keep keep keep keep keep
 Enable change of precision for existing models 
plugins/train/model/_base/model.py