main.py: improve output

ThomasFarstrike · ThomasFarstrike · commit fe1408ccb9a7 · 2025-11-23T14:21:37.000+01:00
diff --git a/internal_filesystem/lib/mpos/main.py b/internal_filesystem/lib/mpos/main.py
@@ -87,7 +87,7 @@ def custom_exception_handler(e):
     mpos.apps.start_app(auto_start_app)
 
 if not started_launcher:
-    print("WARNING: launcher {launcher_app} failed to start, not cancelling OTA update rollback")
+    print(f"WARNING: launcher {launcher_app} failed to start, not cancelling OTA update rollback")
 else:
     try:
         import ota.rollback
