From b0acda28256d2a0b244b2e5518aad4185b338b45 Mon Sep 17 00:00:00 2001
From: ryan <ryan@berri.ai>
Date: Mon, 14 Sep 2026 23:09:04 +0000
Subject: [PATCH] fix(proxy): mark validation error TypedDict fields ReadOnly

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
---
 litellm/proxy/proxy_server.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/litellm/proxy/proxy_server.py b/litellm/proxy/proxy_server.py
index 88844c04e74..04145eb68ef 100644
--- a/litellm/proxy/proxy_server.py
+++ b/litellm/proxy/proxy_server.py
@@ -1788,9 +1788,9 @@ class _ExceptionRow(TypedDict, total=False):
 
 
 class _ValidationErrorDetail(TypedDict):
-    type: str
-    loc: tuple[int | str, ...]
-    msg: str
+    type: ReadOnly[str]
+    loc: ReadOnly[tuple[int | str, ...]]
+    msg: ReadOnly[str]
 
 
 def _is_length_error_of_rejected_items(error: _ValidationErrorDetail, errors: Sequence[_ValidationErrorDetail]) -> bool: