AttributeError: 'Conv1d' object has no attribute 'padding_mode'

[kqu7]

When I tried to generate the sample audio files by the command "python generate_script.py", the following error message popped up:

Traceback (most recent call last):
File "generate_script.py", line 32, in
regularize=0.)
File "/Users/q7/Desktop/Wavenet/pytorch-wavenet-master/wavenet_model.py", line 262, in generate_fast
dilation_func=self.queue_dilate)
File "/Users/q7/Desktop/Wavenet/pytorch-wavenet-master/wavenet_model.py", line 127, in wavenet
x = self.start_conv(input)
File "/anaconda3/lib/python3.7/site-packages/torch/nn/modules/module.py", line 493, in call
result = self.forward(*input, **kwargs)
File "/anaconda3/lib/python3.7/site-packages/torch/nn/modules/conv.py", line 190, in forward
if self.padding_mode == 'circular':
File "/anaconda3/lib/python3.7/site-packages/torch/nn/modules/module.py", line 539, in getattr
type(self).name, name))
AttributeError: 'Conv1d' object has no attribute 'padding_mode'

Can someone propose any solutions? Thanks in advance!