diff --git a/preprocess_hubert_f0.py b/preprocess_hubert_f0.py
index 800d7c6..15556c6 100644
--- a/preprocess_hubert_f0.py
+++ b/preprocess_hubert_f0.py
@@ -1,6 +1,5 @@
 import argparse
 import logging
-import torch.multiprocessing as mp
 import os
 import random
 from concurrent.futures import ProcessPoolExecutor
@@ -10,6 +9,7 @@ from random import shuffle
 import librosa
 import numpy as np
 import torch
+import torch.multiprocessing as mp
 from tqdm import tqdm
 
 import diffusion.logger.utils as du