PEFT How to use HelioAI/Helio1-Spark-4B-Preview with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("unsloth/qwen3-4b-unsloth-bnb-4bit")
model = PeftModel.from_pretrained(base_model, "HelioAI/Helio1-Spark-4B-Preview") 
