From 8695629fce6be6b72c53ec6c6f48d051bdcac6a0 Mon Sep 17 00:00:00 2001
From: huangpeilin <huangpeilin@qunjielong.com>
Date: Wed, 8 May 2024 19:22:10 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8Dusage=20=E5=80=BC?=
 =?UTF-8?q?=E4=B8=BAnone=20=E7=9A=84=E6=83=85=E5=86=B5?=
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---
 metagpt/provider/openai_api.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/metagpt/provider/openai_api.py b/metagpt/provider/openai_api.py
index 7957f775c..cc1a4fc8b 100644
--- a/metagpt/provider/openai_api.py
+++ b/metagpt/provider/openai_api.py
@@ -100,7 +100,7 @@ class OpenAILLM(BaseLLM):
             log_llm_stream(chunk_message)
             collected_messages.append(chunk_message)
             if finish_reason:
-                if hasattr(chunk, "usage"):
+                if hasattr(chunk, "usage") and chunk.usage:
                     # Some services have usage as an attribute of the chunk, such as Fireworks
                     usage = CompletionUsage(**chunk.usage)
                 elif hasattr(chunk.choices[0], "usage"):