{
  "traceback": "Traceback (most recent call last):\n  File \"/work/train.py\", line 200, in <module>\n    try:main()\n        ^^^^^^\n  File \"/work/train.py\", line 97, in main\n    assert torch.allclose(ys[0],bp,atol=2e-5),float((ys[0]-bp).abs().max())\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\nAssertionError: 0.00983428955078125\n"
}