@mud_action('unblock')
def unblock(source, args, **_):
    if not args or 1 > len(args):
        raise ActionError("Who do you want to unblock?")
    block_id = user_manager.name_to_id(args[0])
    if message_service.is_blocked(source.dbo_id, block_id):
        message_service.unblock_messages(source.dbo_id, block_id)
        return "You unblock messages from {}".format(block_id)
    return "You are not blocking messages from {}".format(block_id)
dataset/ETHPy150Open genzgd/Lampost-Mud/lampost/mud/mudcore.py/unblock/swapped operands of `>`