From 2decf0dfe0a1adeca53a103d12abbf9eedba97e0 Mon Sep 17 00:00:00 2001
From: vanika02 <vanikadangi02@gmail.com>
Date: Fri, 14 Aug 2026 16:31:43 +0000
Subject: [PATCH] fix(responses): handle invalid input types

---
 litellm/responses/main.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/litellm/responses/main.py b/litellm/responses/main.py
index 5b9dc228e7c..84c0403ffb2 100644
--- a/litellm/responses/main.py
+++ b/litellm/responses/main.py
@@ -465,7 +465,7 @@ async def aresponses(
         ) and litellm_logging_obj.should_run_prompt_management_hooks(prompt_id=prompt_id, non_default_params=kwargs):
             if isinstance(input, str):
                 client_input: list[AllMessageValues] = [{"role": "user", "content": input}]
-            elif not isinstance(input, list):
+            elif not isinstance(input, list): # pyright: ignore[reportUnnecessaryIsInstance]
                 raise litellm.BadRequestError(
                     message=f"'input' must be a string or list of input items, got {type(input).__name__}",
                     model=model,
@@ -585,7 +585,7 @@ def _apply_prompt_management_to_responses_call(
 
     if isinstance(input, str):
         client_input: list[AllMessageValues] = [{"role": "user", "content": input}]
-    elif not isinstance(input, list):
+    elif not isinstance(input, list): # pyright: ignore[reportUnnecessaryIsInstance]
         raise litellm.BadRequestError(
             message=f"'input' must be a string or list of input items, got {type(input).__name__}",
             model=model,