PEFT How to use mindchain/llama2-13 with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("thenam/Llama-2-13b-hf-small-shards")
model = PeftModel.from_pretrained(base_model, "mindchain/llama2-13") 
