From 2c86a065dbab0e0a9c2fde14a6056d1d9a27d061 Mon Sep 17 00:00:00 2001
From: Jacob Gordon <jagordon@amd.com>
Date: Thu, 22 Jan 2026 13:36:23 -0600
Subject: [PATCH] types: preps `SessionReqNode` for IDE-driven renames (#17602)

---
 python/sglang/srt/managers/session_controller.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/python/sglang/srt/managers/session_controller.py b/python/sglang/srt/managers/session_controller.py
index 7e545ff87..1148f9f82 100644
--- a/python/sglang/srt/managers/session_controller.py
+++ b/python/sglang/srt/managers/session_controller.py
@@ -19,7 +19,12 @@ from sglang.srt.managers.schedule_batch import FINISH_ABORT, Req
 
 
 class SessionReqNode:
-    def __init__(self, req: Req, parent=None, childs=None):
+    def __init__(
+        self,
+        req: Req,
+        parent: Optional["SessionReqNode"] = None,
+        childs=None,
+    ):
         self.req = req
         self.parent = parent
         if parent is not None: