class_docstr: Tests the pauli_decompose function
docstr: Tests that the Hamiltonian decomposes into a linear combination of Pauli words.
docstr_tok: ["Tests","that","the","Hamiltonian","decomposes","into","a","linear","combination","of","Pauli","words","."]
code: def test_observable_types(self, hamiltonian, hide_identity):
      """Tests that the Hamiltonian decomposes into a linear combination of Pauli words."""
      allowed_obs = (Tensor, Identity, PauliX, PauliY, PauliZ)
  
      _, decomposed_obs = qml.pauli_decompose(
          hamiltonian, hide_identity
      ).terms()
      assert all((isinstance(o, allowed_obs) for o in decomposed_obs))
  
imports: import pytest
  import numpy
  import pennylane
  from pennylane.operation import Tensor
  from pennylane.ops import Identity, PauliX, PauliY, PauliZ
  from pennylane.pauli import pauli_sentence, PauliWord, PauliSentence
  from pennylane.pauli.conversion import _generalized_pauli_decompose
label_desc: Use image node_id 5 for calling the TestDecomposition obj's underlying member method code with example usage: obj.test_observable_types(hamiltonian, hide_identity) without return types