def create_user_list_html_string_for_message(users):
    return format_html_join('', '<br />{} {} ({})', ((user.first_name, user.last_name, user.email) for user in users))
def create_user_list_html_string_for_message(users):
    return format_html_join(, '<br />{} {} ({})', ((user.first_name, user.last_name, user.email) for user in users))