@property
    def navigation_name(self):
        raise NotImplementedError("please implement 'navigation_name'")
Returns True if there is a vowel in the given string.
dataset/ETHPy150Open dimagi/commcare-hq/corehq/apps/styleguide/views/__init__.py/BaseStyleGuideArticleView.navigation_name--crossover with--dataset/ETHPy150Open clips/pattern/pattern/vector/stemmer.py/has_vowel