Update app.py

app.py

@@ -44,7 +44,7 @@ if st.session_state.retriever is None:
 sentence = st.text_input("please enter description:")
 
 if sentence !='':
-    results,_ = st.session_state.retriever.retrieve(bm25s.tokenize(query), k=5)
+    results,_ = st.session_state.retriever.retrieve(bm25s.tokenize(sentence), k=5)
     doc = [d for d in results]
     hscodes = [extract_hscode(item) for item in doc[0]]
     for code in hscodes: