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Add type casting for mypy to understand expand_input types #53191

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gopidesupavan merged 2 commits into from
Jul 11, 2025
Merged

Add type casting for mypy to understand expand_input types #53191

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d694d8b
Add type casting for mypy to understand upstream_mapped_group._expand…
amoghrajesh Jul 11, 2025
4a06f9d
Add type casting for mypy to understand upstream_mapped_group._expand…
amoghrajesh Jul 11, 2025
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9 changes: 5 additions & 4 deletions airflow-core/src/airflow/api_fastapi/execution_api/routes/task_instances.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
from collections import defaultdict
from collections.abc import Iterator
from datetime import datetime
from typing import TYPE_CHECKING, Annotated, Any
from typing import TYPE_CHECKING, Annotated, Any, cast
from uuid import UUID

import attrs
Expand Down Expand Up @@ -60,6 +60,7 @@
from airflow.models.asset import AssetActive
from airflow.models.dagbag import DagBag
from airflow.models.dagrun import DagRun as DR
from airflow.models.expandinput import SchedulerExpandInput
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from airflow.models.taskinstance import TaskInstance as TI, _stop_remaining_tasks
from airflow.models.taskreschedule import TaskReschedule
from airflow.models.trigger import Trigger
Expand Down Expand Up @@ -308,9 +309,9 @@ def _get_upstream_map_indexes(
mapped_ti_count = upstream_mapped_group.get_parse_time_mapped_ti_count()
except NotFullyPopulated:
# for cases that needs to resolve xcom to get the correct count
mapped_ti_count = upstream_mapped_group._expand_input.get_total_map_length(
run_id, session=session
)
mapped_ti_count = cast(
"SchedulerExpandInput", upstream_mapped_group._expand_input
).get_total_map_length(run_id, session=session)
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map_indexes = list(range(mapped_ti_count)) if mapped_ti_count is not None else None

yield upstream_task.task_id, map_indexes
Expand Down