Hi guys, I am discovering Dagster and I am excited about it, nice work! I am looking the doc https://docs.dagster.io/tutorial/basics_pipelines and the last lines of codes are incomplete, hopefully than can help you

assert result.success


def test_complex_pipeline():
    res = execute_pipeline(complex_pipeline)
    assert res.success
    assert len(res.solid_result_list) == 4
    for solid_res in res.solid_result_list:

cc @chris

on it