From 67b22ef85f334be8670bec7ff75bd12941053589 Mon Sep 17 00:00:00 2001
From: Brett <brettgraham@gmail.com>
Date: Mon, 2 Jun 2025 17:18:28 -0400
Subject: [PATCH] return dict_keys instead of KeysView for AsdfFile.keys

---
 asdf/_asdf.py              | 3 +++
 asdf/tags/core/__init__.py | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/asdf/_asdf.py b/asdf/_asdf.py
index e72526ec3..951084a6b 100644
--- a/asdf/_asdf.py
+++ b/asdf/_asdf.py
@@ -557,6 +557,9 @@ def tree(self, tree):
         self._tree = AsdfObject(tree)
 
     def keys(self):
+        """
+        Return view of top-level keys in the tree.
+        """
         return self.tree.keys()
 
     def __getitem__(self, key):
diff --git a/asdf/tags/core/__init__.py b/asdf/tags/core/__init__.py
index 2b74bcb13..228f3c21b 100644
--- a/asdf/tags/core/__init__.py
+++ b/asdf/tags/core/__init__.py
@@ -1,4 +1,5 @@
 import collections
+import functools
 
 from .constant import Constant
 from .external_reference import ExternalArrayReference
@@ -24,7 +25,9 @@
 # to pass an isinstance(..., dict) check and to allow it to be "lazy"
 # loaded when "lazy_tree=True".
 class AsdfObject(collections.UserDict, dict):
-    pass
+    @functools.wraps(collections.UserDict.keys)
+    def keys(self):
+        return self.data.keys()
 
 
 class Software(dict):