def test_view_failed_delitem(attr):
    adata = gen_adata((10, 10))
    view = adata[5:7, :][:, :5]
    adata_hash = joblib.hash(adata)
    view_hash = joblib.hash(view)

    with pytest.raises(KeyError):
        getattr(view, attr).__delitem__("not a key")

    assert view.is_view
    assert adata_hash == joblib.hash(adata)
    assert view_hash == joblib.hash(view)
def _get_path(self, prefix, override_receipt_id=None):
        """
        Returns the path to a resource with this instance's `receipt_id`.

        If `override_receipt_id` is given, the path to that resource will be
        retrieved instead. This allows us to retrieve images submitted in
        previous attempts (used for reverification, where we send a new face
        photo with the same photo ID from a previous attempt).
        """
        receipt_id = self.receipt_id if override_receipt_id is None else override_receipt_id
        return os.path.join(prefix, receipt_id)