def get_next_run_time(self):
    'Override this method to return when the next timepoint run should be\n        scheduled. Returning None means no future runs will be scheduled.'
    return None
Override this method to return when the next timepoint run should be
scheduled. Returning None means no future runs will be scheduled.
def get_next_run_time(self):
    'Override this method to return when the next timepoint run should be\n        scheduled. Returning None means no future runs will be scheduled.'
    return None