From fd1dca05deb0fd4d50153b42412f716e341236c3 Mon Sep 17 00:00:00 2001
From: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
Date: Tue, 25 Aug 2026 10:19:56 -0700
Subject: [PATCH] fix(bedrock_mantle): type the codex item dispatcher without
 Any

---
 litellm/llms/bedrock_mantle/responses/transformation.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/litellm/llms/bedrock_mantle/responses/transformation.py b/litellm/llms/bedrock_mantle/responses/transformation.py
index 9068a641940..3e5dd4ff87d 100644
--- a/litellm/llms/bedrock_mantle/responses/transformation.py
+++ b/litellm/llms/bedrock_mantle/responses/transformation.py
@@ -288,7 +288,7 @@ class BedrockMantleResponsesAPIConfig(BedrockMantleAuthMixin, OpenAIResponsesAPI
         return rewritten
 
     @classmethod
-    def _normalize_codex_input_item(cls, item: object) -> "tuple[Any, str | None]":
+    def _normalize_codex_input_item(cls, item: object) -> "tuple[object, str | None]":
         """Returns (normalized item or None to drop it, original type when rewritten)."""
         if not isinstance(item, dict):
             return item, None
@@ -324,7 +324,8 @@ class BedrockMantleResponsesAPIConfig(BedrockMantleAuthMixin, OpenAIResponsesAPI
                 "Bedrock Mantle Responses API: rewrote Codex input item type(s) %s that Mantle rejects.",
                 rewritten_types,
             )
-        return [item for item, _ in normalized if item is not None]  # mutable-ok: ResponseInputParam is a list
+        kept: Final = [item for item, _ in normalized if item is not None]  # mutable-ok: ResponseInputParam is a list
+        return kept  # pyright: ignore[reportReturnType]  # Codex passthrough items sit outside the OpenAI input union
 
     def map_openai_params(
         self,