From e37caa9b9a461798ea066d7c03fffab7552574dc Mon Sep 17 00:00:00 2001
From: Erick Friis <erick@langchain.dev>
Date: Tue, 20 Aug 2024 16:07:12 -0700
Subject: [PATCH] core: fix fallback context overwriting (#25550)

fixes #25337
---
 libs/core/langchain_core/runnables/fallbacks.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/core/langchain_core/runnables/fallbacks.py b/libs/core/langchain_core/runnables/fallbacks.py
index b3249b47cc4..e3a1b2b1cfb 100644
--- a/libs/core/langchain_core/runnables/fallbacks.py
+++ b/libs/core/langchain_core/runnables/fallbacks.py
@@ -180,6 +180,7 @@ class RunnableWithFallbacks(RunnableSerializable[Input, Output]):
                 output = context.run(
                     runnable.invoke,
                     input,
+                    config,
                     **kwargs,
                 )
             except self.exceptions_to_handle as e: