Resolved the error

app.py

@@ -41,9 +41,9 @@ def yolov8_predict_func(image : gr.Image = None, # uploading an image as input
 
 inputs = [
     gr.Image(type = "filepath", label = "Input Image"),
-    gr.Slider(minimum = 320, maximum = 1280, default = 640, step = 32, image = "Image Size"),
-    gr.Slider(minimum = 0.0, maximum = 1.0, default = 0.25, step = 0.05, label = "Confidence Threshold"),
-    gr.Slider(minimum = 0.0, maximum = 1.0, default = 0.45, step = 0.05, label = "IOU Threshold")
+    gr.Slider(minimum = 320, maximum = 1280, value = 640, step = 32, label = "Image Size"),
+    gr.Slider(minimum = 0.0, maximum = 1.0, value = 0.25, step = 0.05, label = "Confidence Threshold"),
+    gr.Slider(minimum = 0.0, maximum = 1.0, value = 0.45, step = 0.05, label = "IOU Threshold")
 ]
 
 outputs = gr.Image(type = "filepath", label = "Output Image")