human
Complete the below
@with_setup(prepare_stdout)
def test_blank_step_hash_value():

    ''''syntax checking: Blank in step hash column = empty string'
    '''

=====
What is a the Python program you requested?
assistant
#Here is the Python program you requested.
    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')