config: Fix formatting with newer ruff

diff --git a/mkosi/config.py b/mkosi/config.py
index a502e1e23321f2f20f0e74d314156cd67cbdac5a..051f7108911f28c06ea01bd1ff4c7a6ec8c1e57e 100644 (file)
--- a/mkosi/config.py
+++ b/mkosi/config.py
@@ -3720,9 +3720,11 @@ SETTINGS: list[ConfigSetting[Any]] = [
         section="Build",
         default_factory_depends=("distribution", "mirror", "tools_tree_distribution"),
         default_factory=(
-            lambda ns: ns["mirror"]
-            if ns["mirror"] and ns["distribution"] == ns["tools_tree_distribution"]
-            else None
+            lambda ns: (
+                ns["mirror"]
+                if ns["mirror"] and ns["distribution"] == ns["tools_tree_distribution"]
+                else None
+            )
         ),
         help="Set the mirror to use for the default tools tree",
         scope=SettingScope.tools,