Fix parent reference in transform (incorrectly referred to body as parent)

astroid/brain/brain_attrs.py

@@ -34,7 +34,7 @@ def attr_attributes_transform(node):
     """
     # Astroid can't infer this attribute properly
     # Prevents https://github.com/PyCQA/pylint/issues/1884
-    node.locals["__attrs_attrs__"] = [astroid.Unknown(parent=node.body)]
+    node.locals["__attrs_attrs__"] = [astroid.Unknown(parent=node)]
     for cdefbodynode in node.body:
         if not isinstance(cdefbodynode, astroid.Assign):