squash:set

skycastlelily · happz · commit 7969001d320f · 2025-03-13T10:57:38.000+01:00
diff --git a/tmt/steps/__init__.py b/tmt/steps/__init__.py
@@ -1406,7 +1406,7 @@ class BasePlugin(Phase, Generic[StepDataT, PluginReturnValueT]):
 
     _data_class: type[StepDataT]
 
-    _preserved_workdir_members: list[str] = []
+    _preserved_workdir_members: set[str] = set()
 
     @classmethod
     def get_data_class(cls) -> type[StepDataT]:
