PEFT How to use KaiyangLi/Mizar-3B with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("KE-Team/Ke-Omni-R-3B")
model = PeftModel.from_pretrained(base_model, "KaiyangLi/Mizar-3B") 
