ephraimbuddy commented on code in PR #76420:
URL: https://github.com/apache/airflow/pull/76420#discussion_r4468241741
##########
airflow-core/src/airflow/models/dagrun.py:
##########
@@ -2378,12 +2378,10 @@ def _check_for_removed_or_restored_tasks(
producer_contexts=coordinates.producer_contexts(ti),
)
except NotFullyPopulated:
- # Not all upstreams finished, so we can't tell what should
be here. Remove everything.
+ # Not all upstreams finished, so the count isn't known
yet. Keep the expanded
+ # instances: _revise_map_indexes_if_mapped never brings
back a removed index, but
+ # trims or extends pending ones once the upstreams finish.
Review Comment:
Follow up https://github.com/apache/airflow/issues/76445
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