@pytest.mark.parametrize('sym', (b, f))
def test_not_dshape(sym):
    if sym in optionals:
        assert Not(sym).schema == dshape(Option('bool'))
    else:
        assert Not(sym).schema == dshape('bool')
dataset/ETHPy150Open blaze/blaze/blaze/expr/tests/test_arithmetic.py/test_not_dshape/original