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 delete_snapshot(self, snapshot_id):
        """Delete Snapshot."""
        return self.delete("snapshots/%s" % str(snapshot_id))