transformers

789226c1 - fix error: 'BlockMask' object has no attribute 'dtype' for lasr model (#42802)

fix error: 'BlockMask' object has no attribute 'dtype' for lasr model (#42802) * fix error: 'BlockMask' object has no attribute 'dtype' for lasr model Signed-off-by: Liu, Kaixuan <kaixuan.liu@intel.com> * fix error: 'BlockMask' object has no attribute 'dtype' for lasr model Signed-off-by: Liu, Kaixuan <kaixuan.liu@intel.com> * update code Signed-off-by: Liu, Kaixuan <kaixuan.liu@intel.com> * disable flex_attn Signed-off-by: Liu, Kaixuan <kaixuan.liu@intel.com> * add comment Signed-off-by: Liu, Kaixuan <kaixuan.liu@intel.com> * update comment Signed-off-by: Liu, Kaixuan <kaixuan.liu@intel.com> --------- Signed-off-by: Liu, Kaixuan <kaixuan.liu@intel.com> Co-authored-by: Anton Vlasjuk <73884904+vasqu@users.noreply.github.com>