Bulider Can not be found

[YJCmote1]

In the systhesis.py,
“import torch
from tqdm import tqdm
import librosa
from hparams import hparams
from wavenet_vocoder import builder“
When running this file, occurs this error:
ImportError: cannot import name 'builder' from 'wavenet_vocoder' (...../anaconda3/envs/encodec/lib/python3.10/site-packages/wavenet_vocoder/init.py)
Does Wavenet not support builder right now?