diff --git a/litellm/llms/base_llm/anthropic_messages/transformation.py b/litellm/llms/base_llm/anthropic_messages/transformation.py
index 733faca8532..49aa563781f 100644
--- a/litellm/llms/base_llm/anthropic_messages/transformation.py
+++ b/litellm/llms/base_llm/anthropic_messages/transformation.py
@@ -141,8 +141,9 @@ class BaseAnthropicMessagesConfig(ABC):
             is_anthropic_invalid_thinking_signature_error,
         )
 
-        return e.response.status_code == 400 and is_anthropic_invalid_thinking_signature_error(
-            e.response.text
+        return (
+            e.response.status_code == 400
+            and is_anthropic_invalid_thinking_signature_error(e.response.text)
         )
 
     def transform_anthropic_messages_request_on_http_error(
@@ -156,8 +157,9 @@ class BaseAnthropicMessagesConfig(ABC):
             strip_thinking_blocks_from_anthropic_messages_request_dict,
         )
 
-        if e.response.status_code == 400 and is_anthropic_invalid_thinking_signature_error(
-            e.response.text
+        if (
+            e.response.status_code == 400
+            and is_anthropic_invalid_thinking_signature_error(e.response.text)
         ):
             strip_thinking_blocks_from_anthropic_messages_request_dict(request_data)
         return request_data