update

app.py

@@ -1,5 +1,7 @@
 import streamlit as st
-from transformers import pipeline
+from transformers import pipeline, AutoTokenizer
+
+tokenizer = AutoTokenizer.from_pretrained("Helsinki-NLP/opus-mt-vi-en")
 
 translator = pipeline("translation_vi_to_en", model="Helsinki-NLP/opus-mt-vi-en")
 
@@ -8,6 +10,8 @@ st.title("Demo translation with pretrained model")
 input_text = st.text_area("Nhập văn bản tiếng Việt:", "")
 
 if input_text:
+    encoded_text = tokenizer(input_text, return_tensors="pt", padding=True, truncation=True)
+
     translated_text = translator(input_text)
 
     st.write("Translation Vietnamese to English:")