PEFT How to use RiverTest/RiverMTG20 with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("RiverTest/RiverMTG15")
model = PeftModel.from_pretrained(base_model, "RiverTest/RiverMTG20")