uranusjr commented on issue #17814:
URL: https://github.com/apache/airflow/issues/17814#issuecomment-904787987
The code is in `airflow/www/views.py`. Search for `def last_dagruns` and the
error is toward the bottom of the function.
Change this
```python
resp = {
r.dag_id.replace('.', '__dot__'): {
"dag_id": r.dag_id,
"execution_date": r.execution_date.isoformat(),
"start_date": r.start_date.isoformat(),
}
for r in query
}
```
to something like this:
```python
def _datetime_to_string(value: Optional[DateTime]) -> Optional[str]:
if value is None:
return None
return value.isoformat()
resp = {
r.dag_id.replace('.', '__dot__'): {
"dag_id": r.dag_id,
"execution_date": _datetime_to_string(r.execution_date),
"start_date": _datetime_to_string(r.start_date),
}
for r in query
}
```
I had this fix in another PR (not merged to main yet), but if you could
submit a PR just for this change, it can likely be merged pretty quickly and
included in 2.1.4.
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