fix new problem

mzuenni · mpsijm · commit 8f13253aeb7d · 2025-06-25T16:59:28.000+02:00
diff --git a/bin/skel.py b/bin/skel.py
@@ -181,7 +181,7 @@ def new_problem() -> None:
             error("ruamel.yaml library not found. Please update problems.yaml manually.")
 
     skip = []
-    if custom_output:
+    if not custom_output:
         skip.append(skeldir / OutputValidator.source_dir)
 
     copytree_and_substitute(
