diff --git a/test/conftest.py b/test/conftest.py
index ade1c674..3fd2524a 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -69,7 +69,19 @@ def args(request):
     return '-t -d'
 
 
-@pytest.fixture(params=['debian', 'debian_9', 'debian_10', 'centos7', 'centos', 'fedora', 'fedora_31', 'fedora_32', 'ubuntu_16', 'ubuntu_18', 'ubuntu_20'])
+@pytest.fixture(params=[
+    'debian',
+    'debian_9',
+    'debian_10',
+    'centos7',
+    'centos',
+    'fedora',
+    'fedora_31',
+    'fedora_32',
+    'ubuntu_16',
+    'ubuntu_18',
+    'ubuntu_20'
+])
 def tag(request):
     '''
     consumed by image to make the test matrix