ashb commented on a change in pull request #19965:
URL: https://github.com/apache/airflow/pull/19965#discussion_r771510937
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File path: airflow/utils/task_group.py
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@@ -135,8 +147,9 @@ def __init__(
# so that we can optimize the number of edges when entire TaskGroups
depend on each other.
self.upstream_group_ids: Set[Optional[str]] = set()
self.downstream_group_ids: Set[Optional[str]] = set()
- self.upstream_task_ids: Set[Optional[str]] = set()
- self.downstream_task_ids: Set[Optional[str]] = set()
+ # Since the parent class defines these as read-only properties, we can
't just do `self.x = ...`
+ self.__dict__['upstream_task_ids'] = set()
+ self.__dict__['downstream_task_ids'] = set()
Review comment:
No, because on BaseOperator these are defined as properties.
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