human
I wrote the below code

    from lettuce import step
    @step('ignore    step')
    def ignore_step(step):
        pass
    @step('string    length    calc')
    def string_lenth_calc(step):
        for hash in step.hashes:
            if ((len(hash['string']) + len(hash['string2'])) != int(hash['length'])):
                raise AssertionError('fail')
    filename = syntax_feature_name('blank_values_in_hash')
    runner = Runner(filename, verbosity=1)
    runner.run()
    assert_stdout_lines('.\n1    feature    (1    passed)\n1    scenario    (1    passed)\n4    steps    (4    passed)\n')

What's a good function header?

=====
Here's a good function header?
assistant
#Here's a good function header.

@with_setup(prepare_stdout)
def test_blank_step_hash_value():