diff --git a/examples/rag_llamaindex.ipynb b/examples/rag_llamaindex.ipynb
index fb3a9c43..e64b70f0 100644
--- a/examples/rag_llamaindex.ipynb
+++ b/examples/rag_llamaindex.ipynb
@@ -384,6 +384,7 @@
    "outputs": [],
    "source": [
     "from tempfile import TemporaryDirectory\n",
+    "\n",
     "from llama_index.vector_stores.milvus import MilvusVectorStore\n",
     "\n",
     "MILVUS_URI = os.environ.get(\n",