def has_vowel(w):
    for ch in w:
        if ch in VOWELS: return True
    return False
Called when a message is sent to the XMPP bot.
dataset/ETHPy150Open clips/pattern/pattern/vector/stemmer.py/has_vowel--crossover with--dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/webapp/xmpp_handlers.py/BaseHandler.message_received