Add Python 2 support
Created by: JonathonReinhart
We switched to Python 3 only because of its datetime.timezone class. This restores support for Python 2, by trying to use pytz for the UTC timezone.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: JonathonReinhart
We switched to Python 3 only because of its datetime.timezone class. This restores support for Python 2, by trying to use pytz for the UTC timezone.