PEFT How to use dugoalberto/QwenChat_1.5_Python22kLoRA with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("Qwen/Qwen1.5-1.8B-Chat")
model = PeftModel.from_pretrained(base_model, "dugoalberto/QwenChat_1.5_Python22kLoRA")