From d2160f155df93d26071048e004cb45a5b5064f5d Mon Sep 17 00:00:00 2001
From: dlowzzxx <210235699+dlowzzxx@users.noreply.github.com>
Date: Wed, 14 Oct 2026 11:00:52 +0200
Subject: [PATCH] fix(token_counter): avoid new unknown type diagnostics

Assisted-by: OpenAI Codex
---
 litellm/litellm_core_utils/token_counter.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/litellm/litellm_core_utils/token_counter.py b/litellm/litellm_core_utils/token_counter.py
index 0ee36e0964e..3ba853bdeff 100644
--- a/litellm/litellm_core_utils/token_counter.py
+++ b/litellm/litellm_core_utils/token_counter.py
@@ -1112,9 +1112,8 @@ def _format_type(props, indent):
             return " | ".join([f'"{item}"' for item in props["enum"]])
         return "string"
     elif type == "array":
-        items: Final = props.get("items")
-        if isinstance(items, dict):
-            return f"{_format_type(items, indent)}[]"
+        if "items" in props and isinstance(props["items"], dict):
+            return f"{_format_type(props['items'], indent)}[]"
         return "any[]"
     elif type == "object":
         return f"{{\n{_format_object_parameters(props, indent + 2)}\n}}"