PEFT How to use sam2ai/gemma_odia_2b with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("google/gemma-2b")
model = PeftModel.from_pretrained(base_model, "sam2ai/gemma_odia_2b") 
