PEFT How to use CMU-AIR2/math-deepseek-lora-hard-arith with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("deepseek-ai/deepseek-coder-1.3b-instruct")
model = PeftModel.from_pretrained(base_model, "CMU-AIR2/math-deepseek-lora-hard-arith") 
