PEFT How to use nitsw/Mistral_combine with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("mistralai/Mistral-7B-Instruct-v0.1")
model = PeftModel.from_pretrained(base_model, "nitsw/Mistral_combine") 
