diff --git a/libs/genai/langchain_google_genai/_function_utils.py b/libs/genai/langchain_google_genai/_function_utils.py
index f3bfa273..829f9549 100644
--- a/libs/genai/langchain_google_genai/_function_utils.py
+++ b/libs/genai/langchain_google_genai/_function_utils.py
@@ -316,11 +316,17 @@ def _get_properties_from_schema(schema: Dict) -> Dict[str, Any]:
             properties_item["items"] = _get_items_from_schema_any(v.get("items"))
 
         if properties_item.get("type_") == glm.Type.OBJECT:
-            if v.get('anyOf') and isinstance(v['anyOf'], list) and isinstance(v['anyOf'][0], dict):
-                v = v['anyOf'][0]
+            if (
+                v.get("anyOf")
+                and isinstance(v["anyOf"], list)
+                and isinstance(v["anyOf"][0], dict)
+            ):
+                v = v["anyOf"][0]
             v_properties = v.get("properties")
             if v_properties:
-                properties_item["properties"] = _get_properties_from_schema_any(v_properties)
+                properties_item["properties"] = _get_properties_from_schema_any(
+                    v_properties
+                )
                 if isinstance(v_properties, dict):
                     properties_item["required"] = [
                         k for k, v in v_properties.items() if "default" not in v