PEFT How to use mgeller/opt-2.7b-lora with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("facebook/opt-2.7b")
model = PeftModel.from_pretrained(base_model, "mgeller/opt-2.7b-lora") 
