[matix]: kmeans indentation fixes
[matix]: kmeans indentation fixes

zheng-da/FlashX,zheng-da/FlashX,zheng-da/FlashX,icoming/FlashGraph,flashxio/FlashX,icoming/FlashX,flashxio/FlashX,flashxio/FlashX,zheng-da/FlashX,icoming/FlashGraph,icoming/FlashX,icoming/FlashGraph,icoming/FlashX,icoming/FlashGraph,icoming/FlashGraph,flashxio/FlashX,zheng-da/FlashX,flashxio/FlashX,icoming/FlashX,icoming/FlashX,flashxio/FlashX