Update app.py

app.py

@@ -432,6 +432,7 @@ def draw_mask(l, c, k, v, d, evt: gr.EventData):
     
     grad = cv2.addWeighted(grad_x, 0.5, grad_y, 0.5, 0)
     mask[cv2.inRange(grad, 1, 255)>0] = 1
+    mask = mask[1:mask.shape[0]-1, 1:mask.shape[1]-1]
     
     d["layers"][1][mask>0] = (0,0,0,255)
     d["background"][mask>0] = (0,0,0,255)