diff --git a/example-apps/chatbot-rag-app/data/index_data.py b/example-apps/chatbot-rag-app/data/index_data.py
index 6e87ae26..eeef7405 100644
--- a/example-apps/chatbot-rag-app/data/index_data.py
+++ b/example-apps/chatbot-rag-app/data/index_data.py
@@ -94,7 +94,7 @@ def main():
         index_name=INDEX,
         strategy=ElasticsearchStore.SparseVectorRetrievalStrategy(model_id=ELSER_MODEL),
         bulk_kwargs={
-            'request_timeout': 60,
+            "request_timeout": 60,
         },
     )