          """ Update any parameters which are not fixed and have been changed.
  
          Parameters
          ----------
          config_changeable_items: dict
              Configuration options that can be altered when resuming a model, and their current
              values
 
</s> remove         exclude_gpus: bool
            ``True`` If connected GPUs are being excluded otherwise ``False``.
 </s> add 
        Set the :attr:`model_needs_rebuild` to ``True`` if mixed precision state has changed

          """ Update any parameters which are not fixed and have been changed.
  
        Set the :attr:`model_needs_rebuild` to ``True`` if mixed precision state has changed

          Parameters
          ----------
          config_changeable_items: dict
              Configuration options that can be altered when resuming a model, and their current
              values
keep add keep keep keep keep keep
 Enable change of precision for existing models 
plugins/train/model/_base/model.py