diffusers

c8c84018 - add _native_npu_attention support mask shape like [B,1,1,S] (#13490)

add _native_npu_attention support mask shape like [B,1,1,S] (#13490) * add _native_npu_attention support mask shape like [B,1,1,S] * add _native_npu_attention support mask shape like [B,1,1,S] * fix style --------- Co-authored-by: YiYi Xu <yixu310@gmail.com>