PEFT How to use luna-code/megengine-CodeGPT-small-py-prefix with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("microsoft/CodeGPT-small-py")
model = PeftModel.from_pretrained(base_model, "luna-code/megengine-CodeGPT-small-py-prefix") 
