PEFT How to use Muhammadreza/Nucleus-1B with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("Muhammadreza/Mistral-1B-GPTQ")
model = PeftModel.from_pretrained(base_model, "Muhammadreza/Nucleus-1B") 
