def test_leitura_campo_num_decimal(self):
        self.assertEqual(self.seg_p.valor_titulo, Decimal('100.00'))
def _set_changed_options(self):
        changed = {}
        for key in Parameters.returnables:
            if getattr(self.want, key) is not None:
                changed[key] = getattr(self.want, key)
        if changed:
            self.changes = Parameters(changed)