diff --git a/litellm/proxy/response_api_endpoints/endpoints.py b/litellm/proxy/response_api_endpoints/endpoints.py
index f7d2153c5dd..35d8265a9f7 100644
--- a/litellm/proxy/response_api_endpoints/endpoints.py
+++ b/litellm/proxy/response_api_endpoints/endpoints.py
@@ -469,7 +469,6 @@ async def count_response_input_tokens(
 
         if isinstance(input_data, str):
             messages.append({"role": "user", "content": input_data})
-        elif isinstance(input_data, list):
         elif isinstance(input_data, list):
             for item in input_data:
                 if isinstance(item, dict):