diff --git a/rag/llm/chat_model.py b/rag/llm/chat_model.py
index 58d5b0ded6..1dbf509351 100644
--- a/rag/llm/chat_model.py
+++ b/rag/llm/chat_model.py
@@ -67,6 +67,7 @@ def chat_streamly(self, system, history, gen_conf):
                 if not resp.choices[0].delta.content:
                     resp.choices[0].delta.content = ""
                 ans += resp.choices[0].delta.content
+
                 total_tokens += 1
                 if not hasattr(resp, "usage") or not resp.usage:
                     total_tokens = (