kaxil commented on a change in pull request #15585:
URL: https://github.com/apache/airflow/pull/15585#discussion_r622980931
##########
File path: airflow/models/pool.py
##########
@@ -161,12 +161,13 @@ def occupied_slots(self, session: Session):
"""
from airflow.models.taskinstance import TaskInstance # Avoid circular
import
- return (
+ return int(
session.query(func.sum(TaskInstance.pool_slots))
.filter(TaskInstance.pool == self.pool)
.filter(TaskInstance.state.in_(list(EXECUTION_STATES)))
.scalar()
- ) or 0
+ or 0
Review comment:
Interesting I thought `.scalar()` should take care of it based on
https://stackoverflow.com/a/53431701/5691525 too
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