From 001043ba0592392efa6f67e4355778deb72366d9 Mon Sep 17 00:00:00 2001
From: Chaos Yu <chaos.you@gmail.com>
Date: Sat, 5 Apr 2025 11:39:12 +0800
Subject: [PATCH] make sure metadata available and have a value (#9764)

---
 litellm/proxy/litellm_pre_call_utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/litellm/proxy/litellm_pre_call_utils.py b/litellm/proxy/litellm_pre_call_utils.py
index dade6c933e6..785ad8dc290 100644
--- a/litellm/proxy/litellm_pre_call_utils.py
+++ b/litellm/proxy/litellm_pre_call_utils.py
@@ -528,7 +528,7 @@ async def add_litellm_data_to_request(  # noqa: PLR0915
 
     _metadata_variable_name = _get_metadata_variable_name(request)
 
-    if _metadata_variable_name not in data:
+    if data.get(_metadata_variable_name, None) is None:
         data[_metadata_variable_name] = {}
 
     # We want to log the "metadata" from the client side request. Avoid circular reference by not directly assigning metadata to itself.