uranusjr commented on code in PR #32011:
URL: https://github.com/apache/airflow/pull/32011#discussion_r1234978334
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airflow/www/views.py:
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@@ -1419,7 +1419,11 @@ def rendered_templates(self, session):
ti.dag_run = DagRun(dag_id=dag_id, execution_date=dttm)
else:
ti = dag_run.get_task_instance(task_id=task_id,
map_index=map_index, session=session)
- ti.refresh_from_task(raw_task)
+ if ti:
+ ti.refresh_from_task(raw_task)
+ else:
+ # When there is no task instance with the given map_index
+ ti = TaskInstance(raw_task, map_index=map_index)
Review Comment:
I would prefer this to just raise directly. It is very awkward to
instantiate a task instance just to fail later.
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