diff --git a/model_zoo/official/cv/ctpn/src/dataset.py b/model_zoo/official/cv/ctpn/src/dataset.py
index e715699dec9..ff2a9a0cf1f 100644
--- a/model_zoo/official/cv/ctpn/src/dataset.py
+++ b/model_zoo/official/cv/ctpn/src/dataset.py
@@ -50,7 +50,7 @@ class PhotoMetricDistortion:
                                        self.contrast_upper)
                 img *= alpha
         # convert color from BGR to HSV
-        img = cv2.cvtColor((img, getattr(cv2, f'COLOR_BGR2HSV')))
+        img = cv2.cvtColor((img, cv2.COLOR_BGR2HSV))
         # random saturation
         if random.randint(2):
             img[..., 1] *= random.uniform(self.saturation_lower,
@@ -61,7 +61,7 @@ class PhotoMetricDistortion:
             img[..., 0][img[..., 0] > 360] -= 360
             img[..., 0][img[..., 0] < 0] += 360
         # convert color from HSV to BGR
-        img = cv2.cvtColor((img, getattr(cv2, f'COLOR_HSV2BGR')))
+        img = cv2.cvtColor((img, cv2.COLOR_HSV2BGR))
         # random contrast
         if mode == 0:
             if random.randint(2):
diff --git a/model_zoo/official/cv/deeptext/src/dataset.py b/model_zoo/official/cv/deeptext/src/dataset.py
index de6e643e8a9..4c49635c37a 100644
--- a/model_zoo/official/cv/deeptext/src/dataset.py
+++ b/model_zoo/official/cv/deeptext/src/dataset.py
@@ -107,7 +107,7 @@ class PhotoMetricDistortion:
                 img *= alpha
 
         # convert color from BGR to HSV
-        img = cv2.cvtColor((img, getattr(cv2, f'COLOR_BGR2HSV')))
+        img = cv2.cvtColor((img, cv2.COLOR_BGR2HSV))
 
         # random saturation
         if random.randint(2):
@@ -121,7 +121,7 @@ class PhotoMetricDistortion:
             img[..., 0][img[..., 0] < 0] += 360
 
         # convert color from HSV to BGR
-        img = cv2.cvtColor((img, getattr(cv2, f'COLOR_HSV2BGR')))
+        img = cv2.cvtColor((img, cv2.COLOR_HSV2BGR))
 
         # random contrast
         if mode == 0:
diff --git a/model_zoo/official/cv/faster_rcnn/src/dataset.py b/model_zoo/official/cv/faster_rcnn/src/dataset.py
index 1adb7f217dd..6dd423f1203 100644
--- a/model_zoo/official/cv/faster_rcnn/src/dataset.py
+++ b/model_zoo/official/cv/faster_rcnn/src/dataset.py
@@ -102,7 +102,7 @@ class PhotoMetricDistortion:
                 img *= alpha
 
         # convert color from BGR to HSV
-        img = cv2.cvtColor((img, getattr(cv2, f'COLOR_BGR2HSV')))
+        img = cv2.cvtColor((img, cv2.COLOR_BGR2HSV))
 
         # random saturation
         if random.randint(2):
@@ -116,7 +116,7 @@ class PhotoMetricDistortion:
             img[..., 0][img[..., 0] < 0] += 360
 
         # convert color from HSV to BGR
-        img = cv2.cvtColor((img, getattr(cv2, f'COLOR_HSV2BGR')))
+        img = cv2.cvtColor((img, cv2.COLOR_HSV2BGR))
 
         # random contrast
         if mode == 0:
diff --git a/model_zoo/official/cv/maskrcnn/src/dataset.py b/model_zoo/official/cv/maskrcnn/src/dataset.py
index d2c6b3936ec..61eb9be20cb 100644
--- a/model_zoo/official/cv/maskrcnn/src/dataset.py
+++ b/model_zoo/official/cv/maskrcnn/src/dataset.py
@@ -103,7 +103,7 @@ class PhotoMetricDistortion:
                 img *= alpha
 
         # convert color from BGR to HSV
-        img = cv2.cvtColor((img, getattr(cv2, f'COLOR_BGR2HSV')))
+        img = cv2.cvtColor((img, cv2.COLOR_BGR2HSV))
 
         # random saturation
         if random.randint(2):
@@ -117,7 +117,7 @@ class PhotoMetricDistortion:
             img[..., 0][img[..., 0] < 0] += 360
 
         # convert color from HSV to BGR
-        img = cv2.cvtColor((img, getattr(cv2, f'COLOR_HSV2BGR')))
+        img = cv2.cvtColor((img, cv2.COLOR_HSV2BGR))
 
         # random contrast
         if mode == 0:
diff --git a/model_zoo/official/cv/maskrcnn_mobilenetv1/src/dataset.py b/model_zoo/official/cv/maskrcnn_mobilenetv1/src/dataset.py
index 817ea752e7d..2fc4764072f 100644
--- a/model_zoo/official/cv/maskrcnn_mobilenetv1/src/dataset.py
+++ b/model_zoo/official/cv/maskrcnn_mobilenetv1/src/dataset.py
@@ -116,7 +116,7 @@ class PhotoMetricDistortion:
                 img *= alpha
 
         # convert color from BGR to HSV
-        img = cv2.cvtColor((img, getattr(cv2, f'COLOR_BGR2HSV')))
+        img = cv2.cvtColor((img, cv2.COLOR_BGR2HSV))
 
         # random saturation
         if random.randint(2):
@@ -130,7 +130,7 @@ class PhotoMetricDistortion:
             img[..., 0][img[..., 0] < 0] += 360
 
         # convert color from HSV to BGR
-        img = cv2.cvtColor((img, getattr(cv2, f'COLOR_HSV2BGR')))
+        img = cv2.cvtColor((img, cv2.COLOR_HSV2BGR))
 
         # random contrast
         if mode == 0: