def pseudonymize_2(value, salt=SALT_KEY):
    """Pseudonymize value with salt, using HMAC-SHA256 encoding
    Parameters
    ----------
    value: value to be pseudonymized
    salt: hazard salt for additional protection
    Returns
    -------
    pseudonymized value using HMAC-SHA256
    """

    # NOTE: Here we must bypass empty or None value as
    # it will introduce specific hash value
    if value is None or value is np.nan or value == '':
        return None

    return hmac.new(
        key=salt.encode('utf-8'),  # La clé
        msg=str(value).encode('utf-8'),  # La donnée à pseudonymiser
        digestmod=hashlib.sha256  # La fonction de hash
    ).hexdigest()