diff --git a/fastdeploy/vision/detection/contrib/scaled_yolov4.py b/fastdeploy/vision/detection/contrib/scaled_yolov4.py
index dad85cde9..29ce6b404 100644
--- a/fastdeploy/vision/detection/contrib/scaled_yolov4.py
+++ b/fastdeploy/vision/detection/contrib/scaled_yolov4.py
@@ -69,7 +69,7 @@ class ScaledYOLOv4(FastDeployModel):
 
     @size.setter
     def size(self, wh):
-        assert isinstance(wh, [list, tuple]),\
+        assert isinstance(wh, (list, tuple)),\
             "The value to set `size` must be type of tuple or list."
         assert len(wh) == 2,\
             "The value to set `size` must contatins 2 elements means [width, height], but now it contains {} elements.".format(
diff --git a/fastdeploy/vision/detection/contrib/yolor.py b/fastdeploy/vision/detection/contrib/yolor.py
index 6da736aac..44f5128c0 100644
--- a/fastdeploy/vision/detection/contrib/yolor.py
+++ b/fastdeploy/vision/detection/contrib/yolor.py
@@ -69,7 +69,7 @@ class YOLOR(FastDeployModel):
 
     @size.setter
     def size(self, wh):
-        assert isinstance(wh, [list, tuple]),\
+        assert isinstance(wh, (list, tuple)),\
             "The value to set `size` must be type of tuple or list."
         assert len(wh) == 2,\
             "The value to set `size` must contatins 2 elements means [width, height], but now it contains {} elements.".format(
diff --git a/fastdeploy/vision/detection/contrib/yolov7.py b/fastdeploy/vision/detection/contrib/yolov7.py
index e3437d3b4..a9deb38d3 100644
--- a/fastdeploy/vision/detection/contrib/yolov7.py
+++ b/fastdeploy/vision/detection/contrib/yolov7.py
@@ -69,7 +69,7 @@ class YOLOv7(FastDeployModel):
 
     @size.setter
     def size(self, wh):
-        assert isinstance(wh, [list, tuple]),\
+        assert isinstance(wh, (list, tuple)),\
             "The value to set `size` must be type of tuple or list."
         assert len(wh) == 2,\
             "The value to set `size` must contatins 2 elements means [width, height], but now it contains {} elements.".format(