diff --git a/backend/danswer/tools/utils.py b/backend/danswer/tools/utils.py
index 9f9c8cc9e..557d839d8 100644
--- a/backend/danswer/tools/utils.py
+++ b/backend/danswer/tools/utils.py
@@ -6,7 +6,13 @@ from danswer.llm.utils import get_default_llm_tokenizer
 from danswer.tools.tool import Tool
 
 
-OPEN_AI_TOOL_CALLING_MODELS = {"gpt-3.5-turbo", "gpt-4-turbo", "gpt-4", "gpt-4o", "gpt-4o-mini"}
+OPEN_AI_TOOL_CALLING_MODELS = {
+    "gpt-3.5-turbo",
+    "gpt-4-turbo",
+    "gpt-4",
+    "gpt-4o",
+    "gpt-4o-mini",
+}
 
 
 def explicit_tool_calling_supported(model_provider: str, model_name: str) -> bool: