From 0be6b489f2707c0b79ab624ad001d4e2ea1ea5e5 Mon Sep 17 00:00:00 2001
From: Vivek Vardhan <vivekvar.dl@gmail.com>
Date: Sun, 15 Mar 2026 15:00:43 +0000
Subject: [PATCH] Add return type hint to forward_headers_from_request method

- Added missing Dict return type annotation to improve type safety
- Enhances IDE autocomplete and static type checking
- No functional changes, purely type annotation improvement
---
 litellm/passthrough/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/litellm/passthrough/utils.py b/litellm/passthrough/utils.py
index ef4357d1ca2..7c2bd4b2ac1 100644
--- a/litellm/passthrough/utils.py
+++ b/litellm/passthrough/utils.py
@@ -40,7 +40,7 @@ class BasePassthroughUtils:
         request_headers: dict,
         headers: dict,
         forward_headers: Optional[bool] = False,
-    ):
+    ) -> dict:
         """
         Helper to forward headers from original request.