Update app.py

app.py

@@ -449,8 +449,8 @@ def optimize(v, d):
             depth[mask==0] = (255,255,255)
             mask = cv2.inRange(frame, np.array([dcolor[k][0]-8, dcolor[k][1]-8, dcolor[k][2]-8]), np.array([dcolor[k][0]+8, dcolor[k][1]+8, dcolor[k][2]+8]))
             depth[mask>0] = (255,255,255)
-            depth[depth.shape[0]-1:depth.shape[0], 0:depth.shape[1]] = 160
-            depth[0:1, 0:depth.shape[1]] = 0
+            depth[depth.shape[0]-1:depth.shape[0], 0:depth.shape[1]] = (160, 160, 160)
+            depth[0:1, 0:depth.shape[1]] = (0, 0, 0)
             cv2.imwrite(depths[k], depth)
             
     if d == False: