Solving bug with rag searching

app.py

@@ -23,8 +23,9 @@ def embed_query(text):
 # Semantic search using FAISS
 def search(query, k=3):
     query_vec = embed_query(query)
-    scores, indices = index.search(query_vec, k)
-    return [chunks[i] for i in indices[0]]
+    query_vec = query_vec.astype(np.float32)  # Required by FAISS
+    D, I = index.search(query_vec, k)
+    return [chunks[i] for i in I[0]]
 
 # Chat modes
 def chat_no_rag(question):