code: def test_detector():
      x = torch.randn(5, 5)
      d = torchdrift.detectors.Detector()
      d.fit(x)
      with pytest.raises(NotImplementedError):
          d(x)
  
file_path: TorchDrift/test/test_detectors.py
imports: import pytest
  import functools
  import torchdrift
  import torch
label_desc: Use image node_id 1 for calling a global function with example usage: test_detector() without return types