PEFT How to use ankit-vaidya19/stsb_lora_r_8 with PEFT:
from peft import PeftModel
from transformers import AutoModelForSequenceClassification
base_model = AutoModelForSequenceClassification.from_pretrained("roberta-base")
model = PeftModel.from_pretrained(base_model, "ankit-vaidya19/stsb_lora_r_8") 
