class_docstr: Unit tests for the ParametrizedHamiltonianPytree class.
class_docstr_tok: ["Unit","tests","for","the","ParametrizedHamiltonianPytree","class","."]
docstr: Test that the attributes of the ParametrizedHamiltonianPytree class are initialized
  correctly.
docstr_tok: ["Test","that","the","attributes","of","the","ParametrizedHamiltonianPytree","class","are","initialized","correctly","."]
code: def test_attributes(self, H, fn, coeffs_callable, params):
      """Test that the attributes of the ParametrizedHamiltonianPytree class are initialized
      correctly."""
      from jax.experimental import sparse
  
      H_pytree = ParametrizedHamiltonianPytree.from_hamiltonian(
          H, dense=False, wire_order=[2, 3, 1, 0]
      )
  
      assert isinstance(H_pytree.mat_fixed, sparse.BCSR)
      assert isinstance(H_pytree.mats_parametrized, tuple)
      assert qml.math.allclose(
          [
              c(p, 2)
              for c, p in zip(H_pytree.coeffs_parametrized, params)
          ],
          [c(p, 2) for c, p in zip(coeffs_callable, params)],
          atol=1e-7,
      )
      assert H_pytree.reorder_fn == fn
  
file_path: pennylane/tests/pulse/test_parametrized_hamiltonian_pytree.py
imports: import numpy
  import pytest
  import pennylane
label_desc: Use image node_id 1 for calling the TestParametrizedHamiltonianPytree obj's underlying member method code with example usage: obj.test_attributes(H, fn, coeffs_callable, params) without return types