Update rag_llamaindex.py

rag_llamaindex.py

@@ -84,7 +84,8 @@ class LlamaIndexRAG(BaseRAG):
         )
         
         index = VectorStoreIndex.from_vector_store(
-            vector_store = self.get_vector_store())
+            vector_store = self.get_vector_store()
+        )
 
         query_engine = index.as_query_engine(
             service_context = service_context,