diff --git a/tests/test_configurer.py b/tests/test_configurer.py
index e05d051..bbef8c4 100644
--- a/tests/test_configurer.py
+++ b/tests/test_configurer.py
@@ -193,6 +193,7 @@ def test_cull_service_default():
         }
     ]
 
+
 def test_set_cull_service():
     """
     Test setting cull service options
@@ -218,12 +219,22 @@ def test_set_cull_service():
         }
     ]
 
+
 def test_cull_service_named():
     """
     Test default cull service settings with named server removal
     """
     c = apply_mock_config(
-        {"services": {"cull": {"every": 10, "cull_users": True, "remove_named_servers": True, "max_age": 60}}}
+        {
+            "services": {
+                "cull": {
+                    "every": 10,
+                    "cull_users": True,
+                    "remove_named_servers": True,
+                    "max_age": 60,
+                }
+            }
+        }
     )
 
     cull_cmd = [
@@ -245,6 +256,7 @@ def test_cull_service_named():
         }
     ]
 
+
 def test_load_secrets(tljh_dir):
     """
     Test loading secret files
diff --git a/tljh/configurer.py b/tljh/configurer.py
index f731ee7..e5c2ea2 100644
--- a/tljh/configurer.py
+++ b/tljh/configurer.py
@@ -59,7 +59,7 @@ default = {
             "concurrency": 5,
             "users": False,
             "max_age": 0,
-            "remove_named_servers": False
+            "remove_named_servers": False,
         },
         "configurator": {"enabled": False},
     },