Update app.py

app.py

@@ -65,8 +65,7 @@ def save_to_faiss(chunks: list[Document]):
     return FAISS.from_documents(chunks, embeddings)
 
 def process_query(query_text: str, vectorstore):
-    if vectorstore is
- None:
+    if vectorstore is None:
         return "База данных не инициализирована", []
     
     try: