Update app.py

app.py

@@ -1,6 +1,13 @@
 import streamlit as st
 from transformers import MarianMTModel, MarianTokenizer
 
+# Install SentencePiece if not already installed
+try:
+    import sentencepiece
+except ImportError:
+    st.error("The SentencePiece library is required but not installed. Please install it using `pip install sentencepiece` and restart the application.")
+    st.stop()
+
 # Load the model and tokenizer
 @st.cache_resource
 def load_model():
@@ -31,3 +38,4 @@ if st.button("Translate"):
         st.markdown(f"### Translated Text:\n{translated_text}")
     else:
         st.error("Please enter some text to translate.")
+