'Execute the verification with selected option.'

def run_option(self, option=u'warn', err_text=u'', fix_text=u'Fixed.', fix=None, fixable=True):

    text = err_text
    if (option in [u'warn', u'exception']):
        fixable = False
    elif (not fixable):
        text = u'Unfixable    error:    {}'.format(text)
    else:
        if fix:
            fix()
        text += (u'        ' + fix_text)
    return (fixable, text)
