turbaszek commented on a change in pull request #17488:
URL: https://github.com/apache/airflow/pull/17488#discussion_r684684420
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File path: airflow/operators/subdag.py
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@@ -78,6 +86,13 @@ def __init__(
self._validate_dag(kwargs)
self._validate_pool(session)
+ warnings.warn(
+ """This class is deprecated.
+ Please use `airflow.utils.task_group.TaskGroup`.""",
Review comment:
I'm wondering if we have any subdag to tg migration guide / howto. If
yes, then maybe it would be nice to point to it in this warning?
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