def test_instantiate_missing(self):
            p = self.PersonModel(name="Joan")
            p.mugshot.save("shot", self.file1)
            p = self.PersonModel.objects.get(name="Joan")
            path = p.mugshot.path
            shutil.move(path, path + '.moved')
            p2 = self.PersonModel.objects.get(name="Joan")
Check if files in core/storage have changed and returns them.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/tests/regressiontests/model_fields/imagefield.py/ImageFieldTests.test_instantiate_missing--crossover with--dataset/ETHPy150Open oppia/oppia/scripts/release_info.py/_check_storage_models