PEFT How to use AdonisVainglory/neg-1 with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("microsoft/phi-1_5")
model = PeftModel.from_pretrained(base_model, "AdonisVainglory/neg-1") 
