transformers

6b5a8f83 - lazy import torch._softmax_backward_data for better compatibility (#20796)

lazy import torch._softmax_backward_data for better compatibility (#20796) lazy import torch._softmax_backward_data Signed-off-by: daquexian <daquexian566@gmail.com> Signed-off-by: daquexian <daquexian566@gmail.com>