PEFT How to use alitolga/627_bigscience_mt0-large_P_Tuning with PEFT:
from peft import PeftModel
from transformers import AutoModelForSeq2SeqLM
base_model = AutoModelForSeq2SeqLM.from_pretrained("bigscience/mt0-large")
model = PeftModel.from_pretrained(base_model, "alitolga/627_bigscience_mt0-large_P_Tuning") 
