From 328129e5bd01805ed9a2c925df4d02d065e9ac15 Mon Sep 17 00:00:00 2001
From: Isaac Francisco <78627776+isahers1@users.noreply.github.com>
Date: Wed, 17 Sep 2025 06:57:47 -0700
Subject: [PATCH] chore(sdk-py): allow UUIDs in config (#6151)

---
 libs/langgraph/langgraph/pregel/remote.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libs/langgraph/langgraph/pregel/remote.py b/libs/langgraph/langgraph/pregel/remote.py
index 60529b305..7135a44d7 100644
--- a/libs/langgraph/langgraph/pregel/remote.py
+++ b/libs/langgraph/langgraph/pregel/remote.py
@@ -8,6 +8,7 @@ from typing import (
     Literal,
     cast,
 )
+from uuid import UUID
 
 import langsmith as ls
 from langchain_core.runnables import RunnableConfig
@@ -78,7 +79,7 @@ _CONF_DROPLIST = frozenset(
 
 def _sanitize_config_value(v: Any) -> Any:
     """Recursively sanitize a config value to ensure it contains only primitives."""
-    if isinstance(v, (str, int, float, bool)):
+    if isinstance(v, (str, int, float, bool, UUID)):
         return v
     elif isinstance(v, dict):
         sanitized_dict = {}