From ad4488b168b0d0a4d6c16554588957fe24c076eb Mon Sep 17 00:00:00 2001
From: Aiden McComiskey <amccomiskey@coreweave.com>
Date: Fri, 25 Sep 2026 15:43:14 +0100
Subject: [PATCH] chore: drop mutable-collection constructions flagged by
 LIT002 gate

---
 litellm/llms/vllm/common_utils.py |  2 +-
 litellm/proxy/proxy_server.py     | 24 +++++++++++-------------
 2 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/litellm/llms/vllm/common_utils.py b/litellm/llms/vllm/common_utils.py
index cdfef9a42bc..576931582fb 100644
--- a/litellm/llms/vllm/common_utils.py
+++ b/litellm/llms/vllm/common_utils.py
@@ -89,7 +89,7 @@ class VLLMModelInfo(BaseLLMModelInfo):
         resolved_api_base: Final = self._get_discovery_api_base(api_base)
         environment_variable: Final = "HOSTED_VLLM_API_KEY" if self._provider == "hosted_vllm" else "VLLM_API_KEY"
         resolved_api_key: Final = api_key or get_secret_str(environment_variable)
-        headers: Final = {"Authorization": f"Bearer {resolved_api_key}"} if resolved_api_key else {}
+        headers: Final = {"Authorization": f"Bearer {resolved_api_key}"} if resolved_api_key else None
         response: Final = litellm.module_level_client.get(
             url=_add_path_to_api_base(resolved_api_base, "/v1/models"),
             headers=headers,
diff --git a/litellm/proxy/proxy_server.py b/litellm/proxy/proxy_server.py
index a4453a5f480..55c00b57720 100644
--- a/litellm/proxy/proxy_server.py
+++ b/litellm/proxy/proxy_server.py
@@ -9782,10 +9782,10 @@ def get_litellm_model_info(model: dict = {}):
         return {
             **live_model_info,
             **static_model_info,
-            **(
-                {"max_input_tokens": live_model_info["max_input_tokens"]}
+            "max_input_tokens": (
+                live_model_info["max_input_tokens"]
                 if live_model_info["max_input_tokens"] is not None
-                else {}
+                else static_model_info.get("max_input_tokens")
             ),
         }
     except Exception:
@@ -15052,17 +15052,15 @@ async def model_info_v2(
 
     # Fill in model info based on config.yaml and litellm model_prices_and_context_window.json
     # This must happen before teamId filtering so that direct_access and access_via_team_ids are populated
-    all_models = list(
-        await asyncio.gather(
-            *(
-                asyncio.to_thread(
-                    _enrich_model_info_with_litellm_data,
-                    model=_model,
-                    debug=debug if debug is not None else False,
-                    llm_router=llm_router,
-                )
-                for _model in all_models
+    all_models = await asyncio.gather(
+        *(
+            asyncio.to_thread(
+                _enrich_model_info_with_litellm_data,
+                model=_model,
+                debug=debug if debug is not None else False,
+                llm_router=llm_router,
             )
+            for _model in all_models
         )
     )