Returns stats on the active users.

    Syntax: {command}

def cmd(send, _, args):
    """Returns stats on the active users.

    Syntax: {command}

    """
    if args['target'] == 'private':
        send("You're all alone!")
        return
    with args['handler'].data_lock:
        channel = args['handler'].channels[args['target']]
        voiced = len([x for x in args['handler'].voiced[args['target']].values() if x])
        total = len(channel.users())
    send("%d active users, %d total users, %g%% active" % (voiced, total, voiced / total * 100))