def pair_slugify(e):
    """
    Normalizes string, converts to lowercase, removes non-alpha characters,
    and converts spaces to hyphens.type(
    """
    import re
    import unicodedata
    value = '{} {}'.format(*e)
    value = str(value)
    value = unicodedata.normalize('NFKD', value).encode('ascii', 'ignore'
        ).decode('utf8').strip().lower()
    value = re.sub('[^\\w\\s]', '', value)
    value = re.sub('\\s+', ' ', value)
    value = re.sub('[-\\s]+', '-', value)
    return value
