Update app.py

app.py

@@ -177,9 +177,7 @@ def make_video(video_path, outdir='./vis_video_depth', encoder='vits', remove_bg
 
             #
             depth = predict_depth(raw_frame[:, :, ::-1], model)
-            depth = (depth - depth.min()) / (depth.max() - depth.min()) * 255.0
-            depth_color = depth.astype(np.uint8)
-            depth_gray = cv2.cvtColor(depth_color, cv2.COLOR_RGBA2GRAY)
+            depth_gray = ((depth - depth.min()) / (depth.max() - depth.min()) * 255.0).astype(np.uint8)
             #
             
             #depth = to_tensor_transform(predict_depth(depth_anything, frame_pil))