diff --git a/src/utils/resources.py b/src/utils/resources.py
index 7acc84016..1e12d67e2 100644
--- a/src/utils/resources.py
+++ b/src/utils/resources.py
@@ -152,7 +152,11 @@ class AppResource:
             "__APP__": self.app,
             "__YNH_ARCH__": system_arch(),
             "__YNH_DEBIAN_VERSION__": debian_version(),
-            "__YNH_APP_UPSTREAM_VERSION__": manager.wanted["version"].split("~")[0] if manager.wanted else manager.current["version"].split("~")[0],
+            "__YNH_APP_UPSTREAM_VERSION__": (
+                manager.wanted["version"].split("~")[0]
+                if manager.wanted
+                else manager.current["version"].split("~")[0]
+            ),
         }
 
         def recursive_apply(function: Callable, data: Any) -> Any: