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 test_should_encode_node_with_label(self):
        a = Node("Person")
        encoded = cypher_repr(a, node_template="{labels} {properties}")
        assert encoded == u"(:Person {})"