uranusjr commented on code in PR #23924:
URL: https://github.com/apache/airflow/pull/23924#discussion_r882347348
##########
airflow/www/views.py:
##########
@@ -258,7 +258,11 @@ def task_group_to_grid(task_item_or_group, dag, dag_runs,
session):
if isinstance(task_item_or_group, AbstractOperator):
return {
'id': task_item_or_group.task_id,
- 'instances': [wwwutils.get_task_summary(dr, task_item_or_group,
session) for dr in dag_runs],
+ 'instances': [
+ ts
+ for ts in (wwwutils.get_task_summary(dr, task_item_or_group,
session) for dr in dag_runs)
+ if ts is not None
+ ],
Review Comment:
FWIW if we don’t need to care about empty summary (or if we’re OK to also
filter those out), we can simply do
```python
filter(None, (...))
```
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