AttributeError: type object 'MegatronGPTPromptLearningModel' has no attribute 'frozen_model'
from nemo.collections.nlp.models.language_modeling.megatron_gpt_prompt_learning_model import MegatronGPTPromptLearningModel

AttributeError: 'MegatronGPTPromptLearningModel' object has no attribute 'frozen_model'

https://github.com/NVIDIA/NeMo/blob/main/nemo/collections/nlp/models/language_modeling/megatron_base_prompt_learning_model.py

```

    def load_frozen_model(self, cfg, trainer):
        pass

```
empty. Any idea?