PEFT How to use rohangbs/tinyllama_chat with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("TinyLlama/TinyLlama-1.1B-Chat-v0.6")
model = PeftModel.from_pretrained(base_model, "rohangbs/tinyllama_chat")