squash:set

skycastlelily · skycastlelily · commit a27ec853a1fe · 2025-02-28T10:54:50.000+08:00
diff --git a/tmt/steps/__init__.py b/tmt/steps/__init__.py
@@ -1403,7 +1403,7 @@ 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]:
