Update app.py

app.py

@@ -246,7 +246,7 @@ with block:
     with gr.Row():
         with gr.Column():
 #            input_image = gr.Image(source='upload', type="numpy")
-           input_image = gr.Image(label="Input Image", type="numpy", height=512)
+            input_image = gr.Image(label="Input Image", type="numpy", height=512)
             low_threshold = gr.Slider(label="low_threshold", minimum=1, maximum=255, value=100, step=1)
             high_threshold = gr.Slider(label="high_threshold", minimum=1, maximum=255, value=200, step=1)
             resolution = gr.Slider(label="resolution", minimum=256, maximum=1024, value=512, step=64)