app.py

from transformers import MT5ForConditionalGeneration, AutoTokenizer
import gradio as grad

mdl = MT5ForConditionalGeneration.from_pretrained("google/mt5-small")
tokenizer = AutoTokenizer.from_pretrained("google/mt5-small")

def translation_CN2EN(text):
    inp =  "translate Chinese to English: " + text
    enc = tokenizer(inp, return_tensors="pt").input_ids
    tokens = mdl(**enc)
    response = tokenizer.decode(tokens[0], skip_special_tokens=True)
    return response
para=grad.Textbox(lines=1, label="Chinese Text", placeholder="Text in Chinese")
out=grad.Textbox(lines=1, label="English Translation")
grad.Interface(translation_CN2EN, inputs=para, outputs=out).launch()