Update app.py

app.py

@@ -48,7 +48,7 @@ def search_hadith(query, top_k):
         query=query,
         df=df,
         bm25=bm25,
-        preprocess_query=bm25_tokenize(query),
+        preprocess_query=bm25_tokenize,
         model=model,
         hadith_embeddings=hadith_embeddings,
         anchor_index=anchor_index,