PEFT How to use manasikhillare/python_qna_finetuned_gemma with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("unsloth/gemma-2b-bnb-4bit")
model = PeftModel.from_pretrained(base_model, "manasikhillare/python_qna_finetuned_gemma") 
