def test_empty_update(self):
        num_updated = self.a2.b_set.update(y=100)
        self.assertEqual(num_updated, 0)
        cnt = B.objects.filter(y=100).count()
        self.assertEqual(cnt, 0)
Return Image height
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/modeltests/update/tests.py/SimpleTest.test_empty_update--crossover with--dataset/ETHPy150Open jorgebastida/glue/glue/core.py/Image.height