def test_invalid_scalar_index(adata, index):
    # https://github.com/theislab/anndata/issues/619
    with pytest.raises(IndexError, match=r".*index.* out of range\."):
        _ = adata[index]
def retrieve(id, env=None, headers=None):
        return request.send('get', request.uri_path("plans",id), None, env, headers)