ImportError: cannot import name 'silu'

[chenxiaoting-0613]

Traceback (most recent call last):
File "eval.py", line 8, in
from model import ERC_transfo_xl, ERC_xlnet
File "/home/test/liuluyao/xiaoting/DialogXL-main/DialogXL/model.py", line 6, in
from modeling_xlnet import XLNetModel_dialog
File "/home/test/liuluyao/xiaoting/DialogXL-main/DialogXL/modeling_xlnet.py", line 29, in
from transformers.activations import gelu_new, silu
ImportError: cannot import name 'silu'