diff --git a/litellm/llms/anthropic/chat/transformation.py b/litellm/llms/anthropic/chat/transformation.py
index c74a8b14706..6631dd567c9 100644
--- a/litellm/llms/anthropic/chat/transformation.py
+++ b/litellm/llms/anthropic/chat/transformation.py
@@ -198,15 +198,14 @@ class AnthropicConfig(AnthropicModelInfo, BaseConfig):
                     "properties": {},
                 },
             )
-            input_schema: AnthropicInputSchema = AnthropicInputSchema(**_input_schema)
-            
+
             _allowed_properties = set(AnthropicInputSchema.__annotations__.keys())
             input_schema_filtered = {k: v for k, v in _input_schema.items() if k in _allowed_properties}
-            input_schema: AnthropicInputSchema = AnthropicInputSchema(**input_schema_filtered)
+            anthropic_input_schema: AnthropicInputSchema = AnthropicInputSchema(**input_schema_filtered)
 
             _tool = AnthropicMessagesTool(
                 name=tool["function"]["name"],
-                input_schema=input_schema,
+                input_schema=anthropic_input_schema,
             )
 
             _description = tool["function"].get("description")