diff --git a/enhancer/utils/__init__.py b/enhancer/utils/__init__.py
index c9f5438..de0db9f 100644
--- a/enhancer/utils/__init__.py
+++ b/enhancer/utils/__init__.py
@@ -1,3 +1,3 @@
-from enhancer.utils.utils import check_files
-from enhancer.utils.io import Audio
 from enhancer.utils.config import Files
+from enhancer.utils.io import Audio
+from enhancer.utils.utils import check_files
diff --git a/enhancer/utils/io.py b/enhancer/utils/io.py
index 3703285..9e9ce32 100644
--- a/enhancer/utils/io.py
+++ b/enhancer/utils/io.py
@@ -1,7 +1,8 @@
 import os
-import librosa
 from pathlib import Path
 from typing import Optional, Union
+
+import librosa
 import numpy as np
 import torch
 import torchaudio
diff --git a/enhancer/utils/random.py b/enhancer/utils/random.py
index 51e09c0..dd9395a 100644
--- a/enhancer/utils/random.py
+++ b/enhancer/utils/random.py
@@ -1,5 +1,6 @@
 import os
 import random
+
 import torch
 
 
diff --git a/enhancer/utils/utils.py b/enhancer/utils/utils.py
index ebb41b4..ad45139 100644
--- a/enhancer/utils/utils.py
+++ b/enhancer/utils/utils.py
@@ -1,5 +1,6 @@
 import os
 from typing import Optional
+
 from enhancer.utils.config import Files