Update app.py

app.py

@@ -23,9 +23,12 @@ def embed_query(text):
 # Semantic search using FAISS
 def search(query, k=3):
     query_vec = embed_query(query).astype(np.float32)
+
     distances = np.empty((1, k), dtype=np.float32)
     labels = np.empty((1, k), dtype=np.int64)
-    index.search(query_vec, k, distances, labels)
+
+    index.search(query_vec, k, distances, labels)  # ✅ now correct
+
     return [chunks[i] for i in labels[0]]
 
 # Chat modes