fix: tolerate reasoning items without started_at when closing them at stream end (#28872)

2026-08-21 15:51:21 -07:00
parent dcff244f9e
commit 883c7434fb
1 changed files with 4 additions and 3 deletions
@@ -5262,9 +5262,10 @@ async def streaming_chat_response_handler(response, ctx):
                            reasoning_item = output[-1]
                            if reasoning_item.get('ended_at') is None:
                                reasoning_item['ended_at'] = time.time()
-                                reasoning_item['duration'] = int(
-                                    reasoning_item['ended_at'] - reasoning_item['started_at']
-                                )
+                                if reasoning_item.get('started_at') is not None:
+                                    reasoning_item['duration'] = int(
+                                        reasoning_item['ended_at'] - reasoning_item['started_at']
+                                    )
                                reasoning_item['status'] = 'completed'

                    if response_tool_calls: