PEFT How to use smjain/function-calling-30k with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("unsloth/qwen2.5-coder-1.5b-bnb-4bit")
model = PeftModel.from_pretrained(base_model, "smjain/function-calling-30k") 
