def test_leitura_campo_alfa(self):
        self.assertEqual(self.header_arquivo.cedente_nome,
                         'TRACY TECNOLOGIA LTDA ME')
def _visit_migrate_unique_constraint(self, *p, **k):
    """Drop the given unique constraint

    The corresponding original method of sqlalchemy-migrate just
    raises NotImplemented error

    """

    self.recreate_table(p[0].table, omit_uniques=[p[0].name])