class_docstr: Test the utility function detach.
class_docstr_tok: ["Test","the","utility","function","detach","."]
docstr: Test that detach works with Autograd.
docstr_tok: ["Test","that","detach","works","with","Autograd","."]
code: def test_autograd(self):
      """Test that detach works with Autograd."""
      import autograd
  
      x = np.array(0.3, requires_grad=True)
      assert fn.requires_grad(x) is True
      detached_x = fn.detach(x)
      assert fn.requires_grad(detached_x) is False
      with pytest.warns(UserWarning, match="Output seems independent"):
          jac = autograd.jacobian(fn.detach)(x)
      assert fn.isclose(jac, jac * 0.0)
  
imports: import autoray
  import numpy
  import pytest
  import scipy
  from autoray import numpy
  from pennylane import math
  from pennylane import numpy
  from pennylane import grad
label_desc: Use image node_id 2 for calling the TestDetach obj's underlying member method code with example usage: obj.test_autograd() without return types