add size check

app.py

@@ -35,7 +35,7 @@ def process_images(image, image2=None,inpaint_radius=3,blur_radius=25,edge_expan
     img_width,img_height = image["background"].size
     mask_width, mask_height = mask.size
     if img_width!=mask_width or img_height!=mask_height:
-         gr.Error(f"image size({img_width},{img_height}) must be same as mask size({mask_width},{mask_height})")
+         raise gr.Error(f"image size({img_width},{img_height}) must be same as mask size({mask_width},{mask_height})")
     else:
          pass
          print("size ok")