'If the underlying file is unavailable, still create instantiate the
object without error.'

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')
