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convert from static back to classmethod

Co-authored-by: ikelos <[email protected]>

Author: atcuno

volatility3/framework/plugins/windows/threads.py

@@ -36,8 +36,9 @@ def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]
             ),
         ]
 
-    @staticmethod
+    @classmethod
     def list_threads(
+        cls,
         context: interfaces.context.ContextInterface,
         kernel_module_name: str,
         proc: interfaces.objects.ObjectInterface,