diff --git a/src/titiler/core/tests/test_case_middleware.py b/src/titiler/core/tests/test_case_middleware.py
index af154e3d..d1267325 100644
--- a/src/titiler/core/tests/test_case_middleware.py
+++ b/src/titiler/core/tests/test_case_middleware.py
@@ -1,6 +1,7 @@
 """Test titiler.core.middleware.LowerCaseQueryStringMiddleware."""
 
 from typing import List
+
 import pytest
 from fastapi import FastAPI, Query
 from starlette.testclient import TestClient