How to use the jellyfish.compat._no_bytes_err function in jellyfish

def hamming_distance(s1, s2):
    if isinstance(s1, bytes) or isinstance(s2, bytes):
        raise TypeError(_no_bytes_err)

    # ensure length of s1 >= s2
    if len(s2) > len(s1):
        s1, s2 = s2, s1

    # distance is difference in length + differing chars
    distance = len(s1) - len(s2)
    for i, c in enumerate(s2):
        if c != s1[i]:
            distance += 1

    return distance

def match_rating_codex(s):
    if isinstance(s, bytes):
        raise TypeError(_no_bytes_err)
    s = s.upper()
    codex = []

    prev = None
    for i, c in enumerate(s):
        # not a space OR
        # starting character & vowel
        # or consonant not preceded by same consonant
        if (c != ' ' and (i == 0 and c in 'AEIOU') or (c not in 'AEIOU' and c != prev)):
            codex.append(c)

        prev = c

    # just use first/last 3
    if len(codex) > 6:
        return ''.join(codex[:3]+codex[-3:])