From d4ee62eb8c3083a48fb21f72da49c14a578dc993 Mon Sep 17 00:00:00 2001
From: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
Date: Fri, 18 Sep 2026 12:29:32 -0700
Subject: [PATCH] refactor(passthrough): type the timeout resolver mapping
 parameters

---
 litellm/passthrough/timeout_utils.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/litellm/passthrough/timeout_utils.py b/litellm/passthrough/timeout_utils.py
index 0170d93c156..829277105e3 100644
--- a/litellm/passthrough/timeout_utils.py
+++ b/litellm/passthrough/timeout_utils.py
@@ -1,4 +1,5 @@
 import sys
+from collections.abc import Mapping
 from typing import Final
 
 from pydantic import BaseModel, ConfigDict
@@ -42,8 +43,8 @@ def resolve_pass_through_request_timeout(
 
 
 def resolve_llm_passthrough_timeout(
-    kwargs: dict | None = None,
-    litellm_params: dict | None = None,
+    kwargs: Mapping[str, object] | None = None,
+    litellm_params: Mapping[str, object] | None = None,
     router_timeout: float | str | None = None,
     router_stream_timeout: float | str | None = None,
 ) -> float: