From 561c0f7eb87e6506d86c93c101b4ec672b522aee Mon Sep 17 00:00:00 2001
From: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
Date: Sat, 19 Sep 2026 02:23:22 -0700
Subject: [PATCH] fix(proxy): import the unknown-model error lazily so SDK-only
 installs keep working

---
 litellm/proxy/openai_files_endpoints/common_utils.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/litellm/proxy/openai_files_endpoints/common_utils.py b/litellm/proxy/openai_files_endpoints/common_utils.py
index 73d31745047..a8ab09b725a 100644
--- a/litellm/proxy/openai_files_endpoints/common_utils.py
+++ b/litellm/proxy/openai_files_endpoints/common_utils.py
@@ -18,7 +18,6 @@ from typing import (
 from litellm.batches.batch_utils import batch_cost_is_final
 from litellm.constants import MAX_FILE_LIST_LIMIT
 from litellm.proxy._types import ProxyException
-from litellm.proxy.route_llm_request import ProxyModelNotFoundError
 from litellm.repositories.table_repositories import (
     ManagedFileRepository,
     ManagedObjectRepository,
@@ -364,6 +363,8 @@ def get_credentials_for_model(
     """
     from fastapi import HTTPException
 
+    from litellm.proxy.route_llm_request import ProxyModelNotFoundError
+
     if llm_router is None:
         raise HTTPException(
             status_code=500,