PEFT How to use LoftQ/bart-large-bit4-rank16 with PEFT:
from peft import PeftModel
from transformers import AutoModelForSeq2SeqLM
base_model = AutoModelForSeq2SeqLM.from_pretrained("facebook/bart-large")
model = PeftModel.from_pretrained(base_model, "LoftQ/bart-large-bit4-rank16") 
