GuardAI/err.txt at master · aadyasingh2005/GuardAI · GitHub

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Traceback (most recent call last):
  File "C:\Users\sayal\OneDrive\Desktop\inceptrix\test_blurguard_cpu.py", line 13, in <module>
    out = protector.protect(x)
          ^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\sayal\OneDrive\Desktop\inceptrix\ml\protection\blurguard.py", line 727, in protect
    self._optimize_sigma(x, init_delta, region_masks)
  File "C:\Users\sayal\OneDrive\Desktop\inceptrix\ml\protection\blurguard.py", line 552, in _optimize_sigma
    freq_loss.backward()
  File "C:\Users\sayal\AppData\Roaming\Python\Python311\site-packages\torch\_tensor.py", line 630, in backward
    torch.autograd.backward(
  File "C:\Users\sayal\AppData\Roaming\Python\Python311\site-packages\torch\autograd\__init__.py", line 364, in backward
    _engine_run_backward(
  File "C:\Users\sayal\AppData\Roaming\Python\Python311\site-packages\torch\autograd\graph.py", line 865, in _engine_run_backward
    return Variable._execution_engine.run_backward(  # Calls into the C++ engine to run the backward pass
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
RuntimeError: element 0 of tensors does not require grad and does not have a grad_fn