'return true only in case points coordinates are exact.
But if they transform to closest 0.05 value it is not true'

def test_5(self):

    user_input = '{"lattice":    "bcc",    "points":    [["0.33",    "1.00",    "0.00"],    ["0.00",    "0.33",    "0.00"],    ["0.00",    "1.00",    "0.33"]]}'
    self.assertFalse(chem.miller.grade(user_input, {'miller': '(-6,3,-6)', 'lattice': 'bcc'}))
