[FlashPy]: make dtype in PyMatrix of np.dtype.
[FlashPy]: make dtype in PyMatrix of np.dtype.

flashxio/FlashX,flashxio/FlashX,flashxio/FlashX,icoming/FlashX,flashxio/FlashX,icoming/FlashX,flashxio/FlashX,icoming/FlashX,flashxio/FlashX,icoming/FlashX,icoming/FlashX