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 _PostCreate(self):
    """Set the retention policy."""
    put_cmd = util.AWS_PREFIX + [
        '--region', self.region,
        'logs', 'put-retention-policy',
        '--log-group-name', self.name,
        '--retention-in-days', str(self.retention_in_days)
    ]
    vm_util.IssueCommand(put_cmd)