class_docstr: Test the utility function detach.
class_docstr_tok: ["Test","the","utility","function","detach","."]
docstr: Test that detach works with NumPy and does not do anything.
docstr_tok: ["Test","that","detach","works","with","NumPy","and","does","not","do","anything","."]
code: def test_numpy(self):
      """Test that detach works with NumPy and does not do anything."""
      x = onp.array(0.3)
      detached_x = fn.detach(x)
      assert x is detached_x
  
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 1 for calling the TestDetach obj's underlying member method code with example usage: obj.test_numpy() without return types