PEFT How to use andstor/bigcode-starcoder2-3b-unit-test-lora with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("bigcode/starcoder2-3b")
model = PeftModel.from_pretrained(base_model, "andstor/bigcode-starcoder2-3b-unit-test-lora") 
