def test_view_of_view_modification():
    adata = ad.AnnData(np.zeros((10, 10)))
    adata[0, :][:, 5:].X = np.ones(5)
    assert np.all(adata.X[0, 5:] == np.ones(5))
    adata[[1, 2], :][:, [1, 2]].X = np.ones((2, 2))
    assert np.all(adata.X[1:3, 1:3] == np.ones((2, 2)))

    adata.X = sparse.csr_matrix(adata.X)
    adata[0, :][:, 5:].X = np.ones(5) * 2
    assert np.all(asarray(adata.X)[0, 5:] == np.ones(5) * 2)
    adata[[1, 2], :][:, [1, 2]].X = np.ones((2, 2)) * 2
    assert np.all(asarray(adata.X)[1:3, 1:3] == np.ones((2, 2)) * 2)
def retire_user(cls, user_id):
        """
        Retire user as part of GDPR Phase I
        Returns 'True' if records found

        :param user_id: int
        :return: bool
        """
        try:
            user_obj = User.objects.get(id=user_id)
        except User.DoesNotExist:
            return False

        photo_objects = cls.objects.filter(
            user=user_obj
        ).update(
            name='',
            face_image_url='',
            photo_id_image_url='',
            photo_id_key=''
        )
        return photo_objects > 0