Transformers How to use psxjp5/mt5-small_old with Transformers:
# pip install -U transformers accelerate
# Load model directly
from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
tokenizer = AutoTokenizer.from_pretrained("psxjp5/mt5-small_old")
model = AutoModelForSeq2SeqLM.from_pretrained("psxjp5/mt5-small_old", device_map="auto") 
