human
Solve the following python programming problem given the following code:
def pytest_addoption(parser) : 
    parser.getgroup ('reporting').addoption ('--alluredir', action = 'store', dest = 'allurereportdir', metavar = 'DIR', default = None, help = 'Generate Allure report in the specified directory (may not exist)') 
    severities = [parser for (_, v) in all_of (Severity)] 
    def label_type(name, legal_values = set ()) : 
        '
        argparse-type factory for labelish things.
        processed value is set of tuples (name, value).
        :param name: of label type (for future TestLabel things)
        :param legal_values: a `set` of values that are legal for this label, if any limit whatsoever
        :raises ArgumentTypeError: if `legal_values` are given and there are values that fall out of that
        ' 
        def a_label_type(string) : 
            atoms = set (string.split (',')) 
            if (legal_values and (not (atoms < legal_values))) : 
                raise argparse.ArgumentTypeError ('Illegal {} values: {}, only [{}] are allowed'.format (name, ', '.join ((atoms - legal_values)), ', '.join (legal_values))) 
return set (((name, v) for v in atoms)) 
return a_label_type 
parser.getgroup ('general').addoption ('--allure_severities', action = 'store', dest = 'allureseverities', metavar = 'SEVERITIES_SET', default = { 
        
}, type = label_type (name = Label.SEVERITY, legal_values = set (severities)), help = ('Comma-separated list of severity names.
                                         Tests only with these severities will be run.
                                         Possible values are:%s.' % ', '.join (severities))) 
    parser.getgroup ('general').addoption ('--allure_features', action = 'store', dest = 'allurefeatures', metavar = 'FEATURES_SET', default = { 
        
}, type = label_type (name = Label.FEATURE), help = 'Comma-separated list of feature names.
                                         Run tests that have at least one of the specified feature labels.') 
    parser.getgroup ('general').addoption ('--allure_stories', action =...

    
    

    Fix the buggy line: severities = [parser for (_, v) in all_of (Severity)]
assistant
#Here is Python program to fix the buggy line: severities = [parser for (_, v) in all_of (Severity)]
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severities = [v for (_, v) in all_of (Severity)]