Calendar with datetime are considered all day
Since rev f577de6b639c from #8922 (closed), all events are considered as all day.
This is because datetime inherit from date so the isinstance(..., datetime.date) is also true for a datetime.
Since rev f577de6b639c from #8922 (closed), all events are considered as all day.
This is because datetime inherit from date so the isinstance(..., datetime.date) is also true for a datetime.