diff --git a/bin/actions/service.py b/bin/actions/service.py
index e19dfd4..1c47339 100755
--- a/bin/actions/service.py
+++ b/bin/actions/service.py
@@ -272,7 +272,9 @@ def main():
     # Stop command
     stop_parser = subparsers.add_parser("stop", help="Stop a Docker service")
     stop_group = stop_parser.add_mutually_exclusive_group(required=True)
-    stop_group.add_argument("--all", action="store_true", help="Stop all running services")
+    stop_group.add_argument(
+        "--all", action="store_true", help="Stop all running services"
+    )
     stop_group.add_argument("--service", dest="service", help="Service to stop")
 
     # Restart command