diff --git a/unit_test/oci_container_test.py b/unit_test/oci_container_test.py
index 838c72bd..2f425daf 100644
--- a/unit_test/oci_container_test.py
+++ b/unit_test/oci_container_test.py
@@ -7,7 +7,6 @@ import textwrap
 from pathlib import Path, PurePath, PurePosixPath
 
 import pytest
-
 import tomli_w
 
 from cibuildwheel.environment import EnvironmentAssignmentBash