diff --git a/test/test_000_build_containers.py b/test/test_000_build_containers.py
index 725136d8..dc365026 100644
--- a/test/test_000_build_containers.py
+++ b/test/test_000_build_containers.py
@@ -8,8 +8,8 @@ run_local = testinfra.get_backend(
 
 
 @pytest.mark.parametrize("image,tag", [
-    ( 'test/debian.Dockerfile', 'pytest_pihole:debian' ),
-    ( 'test/centos.Dockerfile', 'pytest_pihole:centos' ),
+    ('test/debian.Dockerfile', 'pytest_pihole:debian'),
+    ('test/centos.Dockerfile', 'pytest_pihole:centos'),
 ])
 def test_build_pihole_image(image, tag):
     build_cmd = run_local('docker build -f {} -t {} .'.format(image, tag))