def load(self):
        if os.path.exists(self.path):
            with open(self.path, 'r') as f:
                self.body_labels = collections.OrderedDict(json.load(f))
def test_execute(self):
        opt = Optional(None, execute=dict)
        self.assertEqual(deoption(opt), {})
        self.assertEqual(deoption(opt, execute=dict), {})
        self.assertEqual(deoption(None, execute=dict), {})