image size revise

app.py

@@ -233,7 +233,7 @@ def sepia(input_img):
     return fig
 
 demo = gr.Interface(fn=sepia,
-                    inputs=gr.Image(shape=(400, 600)),
+                    inputs=gr.Image(shape=(512, 512)),
                     outputs=['plot'],
                     examples=["image1.jpg", "image2.jpg", "image3.jpg", "image4.jpg"],
                     allow_flagging='never')