diff --git a/tests/unit/test_schema.py b/tests/unit/test_schema.py
index cec1767..cc1aef7 100644
--- a/tests/unit/test_schema.py
+++ b/tests/unit/test_schema.py
@@ -1,10 +1,15 @@
 import pytest
+
 from lighter.utils.runner import parse_config
 
-@pytest.mark.parametrize("config", [
-    "./projects/cifar10/experiments/monai_bundle_prototype.yaml",
-    "./projects/cifar10/experiments/monai_bundle_prototype.yaml,./tests/configs/test1.yaml"
-])
+
+@pytest.mark.parametrize(
+    "config",
+    [
+        "./projects/cifar10/experiments/monai_bundle_prototype.yaml",
+        "./projects/cifar10/experiments/monai_bundle_prototype.yaml,./tests/configs/test1.yaml",
+    ],
+)
 def test_config_schema_validation(config: str):
     """
     Test the validation of configuration schemas.
@@ -16,7 +21,7 @@ def test_config_schema_validation(config: str):
         config (str): Path to the configuration file(s) to be validated.
     """
     # Parse the configuration file(s)
-    parsed_config = parse_config(config=config.split(','))
-    
+    parsed_config = parse_config(config=config.split(","))
+
     # Ensure the parsed configuration is a dictionary
     assert isinstance(parsed_config.config, dict)