From 8711543bb8beb713ef588137449d139426a4d358 Mon Sep 17 00:00:00 2001
From: John Davis <jdavcs@gmail.com>
Date: Thu, 3 Jul 2025 16:29:55 -0400
Subject: [PATCH] Do not set attribute on a namedtuple

---
 lib/galaxy/objectstore/__init__.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/galaxy/objectstore/__init__.py b/lib/galaxy/objectstore/__init__.py
index 2a266ea3a47..0a7b185fe80 100644
--- a/lib/galaxy/objectstore/__init__.py
+++ b/lib/galaxy/objectstore/__init__.py
@@ -1350,7 +1350,11 @@ class DistributedObjectStore(NestedObjectStore):
                     log.warning(
                         f"{obj.__class__.__name__} object with ID {obj.id} found in backend object store with ID {id}"
                     )
-                    obj.object_store_id = id
+                    try:
+                        obj.object_store_id = id
+                    except AttributeError:
+                        # obj is likely a namedtuple (/scripts/cleanup_datasets/pgcleanup.py::RemovesDatasets)
+                        log.info("Unable to set object_store_id on a readonly dataset object: %s", obj)
                     return id
         return None