PEFT How to use plaguss/dialogpt_dwight2 with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("microsoft/DialoGPT-medium")
model = PeftModel.from_pretrained(base_model, "plaguss/dialogpt_dwight2") 
