uranusjr commented on a change in pull request #21210:
URL: https://github.com/apache/airflow/pull/21210#discussion_r798403590
##########
File path: airflow/serialization/serialized_objects.py
##########
@@ -1086,8 +1087,15 @@ def deserialize_task_group(
for key in ["prefix_group_id", "tooltip", "ui_color", "ui_fgcolor"]
}
group = SerializedTaskGroup(group_id=group_id,
parent_group=parent_group, **kwargs)
+
+ ref = weakref.proxy(group)
+
+ def set_ref(task: BaseOperator) -> BaseOperator:
+ task.task_group = ref
+ return task
Review comment:
Not really; the two are actually equivalent because proxy is implemented
to return the same thing from one object.
```pycon
>>> import weakref
>>> class A: pass
...
>>> a = A()
>>> id(weakref.proxy(a))
139967946164800
>>> id(weakref.proxy(a))
139967946164800
```
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