PEFT How to use BEncoderRT/tinyllama-multitask-lora with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("TinyLlama/TinyLlama-1.1B-intermediate-step-1431k-3T")
model = PeftModel.from_pretrained(base_model, "BEncoderRT/tinyllama-multitask-lora") 
