dstandish commented on a change in pull request #5332: [AIRFLOW-3391] Upgrade
pendulum to latest major version.
URL: https://github.com/apache/airflow/pull/5332#discussion_r294097557
##########
File path: airflow/utils/timezone.py
##########
@@ -89,10 +89,11 @@ def convert_to_utc(value):
if not value:
return value
- if not is_localized(value):
- value = pendulum.instance(value, TIMEZONE)
-
- return value.astimezone(utc)
+ return (
Review comment:
The issue causing failing `test_following_previous_schedule` is due to this
`convert_to_utc` function.
The problem is with using `pendulum.instance()` in the localized case.
To see why, you can run this:
```
local_tz = pendulum.timezone('Europe/Zurich')
start = local_tz.convert(datetime.datetime(2018, 10, 28, 2, 55),
dst_rule=pendulum.PRE_TRANSITION)
print(start.isoformat()) # '2018-10-28T02:55:00+02:00'
print(pendulum.instance(start).isoformat()) # '2018-10-28T02:55:00+01:00'
```
Replacing your return statement with the following seems to resolve the
issue:
```suggestion
if not is_localized(value):
value = pendulum.instance(value, TIMEZONE)
return utc.convert(value)
```
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