diff --git a/src/init_data/load_db.py b/src/init_data/load_db.py
index 3c6619e..46de0e0 100644
--- a/src/init_data/load_db.py
+++ b/src/init_data/load_db.py
@@ -1,4 +1,5 @@
-import os, numpy as np
+import os
+import numpy as np
 from pathlib import Path
 import logging
 import pandas as pd
diff --git a/src/onnx_models/age_classify_v001/model.py b/src/onnx_models/age_classify_v001/model.py
index d5cf353..f558d1f 100644
--- a/src/onnx_models/age_classify_v001/model.py
+++ b/src/onnx_models/age_classify_v001/model.py
@@ -1,5 +1,6 @@
 import onnxruntime as ort, os
-import numpy as np, cv2 as cv
+import numpy as np
+import cv2 as cv
 from PIL import Image
 from src.utils.preprocess import enhance_image
 
diff --git a/src/onnx_models/fairface/model.py b/src/onnx_models/fairface/model.py
index 3d0a0b5..5a0697a 100644
--- a/src/onnx_models/fairface/model.py
+++ b/src/onnx_models/fairface/model.py
@@ -1,5 +1,6 @@
 import onnxruntime as ort, os
-import numpy as np, cv2 as cv
+import numpy as np
+import cv2 as cv
 from PIL import Image
 from src.utils.preprocess import enhance_image
 
diff --git a/src/onnx_models/vit_age_classifier/model.py b/src/onnx_models/vit_age_classifier/model.py
index f9db6e3..35f7edd 100644
--- a/src/onnx_models/vit_age_classifier/model.py
+++ b/src/onnx_models/vit_age_classifier/model.py
@@ -1,5 +1,6 @@
 import onnxruntime as ort, os
-import numpy as np, cv2 as cv
+import numpy as np
+import cv2 as cv
 from PIL import Image
 from src.utils.preprocess import enhance_image
 
diff --git a/src/utils/preprocess.py b/src/utils/preprocess.py
index e4256a0..14393b4 100644
--- a/src/utils/preprocess.py
+++ b/src/utils/preprocess.py
@@ -1,4 +1,5 @@
-import cv2 as cv, logging
+import cv2 as cv
+import logging
 import pandas as pd
 from src.utils.sqlAlchemy_manager import DBManager
 import numpy as np