PEFT How to use BlueMen/Medrx with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("unsloth/Phi-4-mini-instruct-unsloth-bnb-4bit")
model = PeftModel.from_pretrained(base_model, "BlueMen/Medrx") 
