Update app.py

app.py

@@ -61,9 +61,9 @@ examples = [['images/image_1.jpg','images/depth_1.png','images/gt_1.png'],
             ['images/image_4.jpg','images/depth_4.png','images/gt_4.png'],
             ['images/image_5.jpg','images/depth_5.png','images/gt_5.png']]
 
-input_1 = gr.Image(type='pil', label="RGB Image", source="upload")
-input_2 = gr.Image(type='pil', label="Depth Image", source="upload")
-input_3 = gr.Image(type='pil', label="Ground Truth", source="upload")
+input_1 = gr.Image(type='pil', label="RGB Image", sources="upload")
+input_2 = gr.Image(type='pil', label="Depth Image", sources="upload")
+input_3 = gr.Image(type='pil', label="Ground Truth", sources="upload")
 outputs = gr.Image(type="pil", label="Saliency Map")