@property
    def mod_operator_as_percent_sign(self):
        return exclusions.closed()
target database must use a plain percent '%' as the 'modulus'
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/testing/requirements.py/SuiteRequirements.mod_operator_as_percent_sign