def METHOD_NAME() -> None:
    epoch_seconds = 0
    dt = dtutil.ts2dt(epoch_seconds)
    assert '{:%Y-%m-%d %H:%M:%S %z}'.format(dt) == '1970-01-01 00:00:00 +0000'
    now = datetime.datetime.now(datetime.timezone.utc)
    dt = dtutil.ts2dt(int(now.timestamp()))
    assert '{:%Y-%m-%d %H:%M:%S %z}'.format(dt) == '{:%Y-%m-%d %H:%M:%S %z}'.format(now)