def METHOD_NAME(self):
    self.assertRaises(
        AssertionError,
        psw.AlignmentColumn,
        psw.ColumnUnit(1, random.randint(0, 9999), "SEQUENCE"),
    )
    ac = psw.AlignmentColumn(psw.ColumnUnit(0, random.randint(0, 9999), "SEQUENCE"))
    self.assertRaises(
        AssertionError,
        ac.append,
        psw.ColumnUnit(0, random.randint(0, 9999), "SEQUENCE"),
    )