PEFT How to use XeroCodes/xander with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("unsloth/llama-2-7b-chat-bnb-4bit")
model = PeftModel.from_pretrained(base_model, "XeroCodes/xander")