PEFT How to use romankovsv/test4 with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("lmsys/vicuna-7b-v1.3")
model = PeftModel.from_pretrained(base_model, "romankovsv/test4") 
