fix double numpy array

app.py

@@ -45,7 +45,7 @@ def predict(frame):
     image = image.to(device)
     prediction = model.infer(image)
     depth = prediction["depth"].squeeze().detach().cpu().numpy()
-    return depth.cpu().numpy(), prediction["focallength_px"].item()
+    return depth, prediction["focallength_px"].item()
 
 
 @rr.thread_local_stream("rerun_example_ml_depth_pro")