code: def test_observable_conversion(
      _, terms_ref, custom_wires, monkeypatch
  ):
      r"""Test the correctness of the QubitOperator observable conversion from
      OpenFermion to Pennylane.
  
      The parametrized inputs are `.terms` attribute of the output `QubitOperator`s based on
      the same set of test molecules as `test_gen_hamiltonian_pauli_basis`.
  
      The equality checking is implemented in the `convert` module itself as it could be
      something useful to the users as well.
      """
      qOp = openfermion.QubitOperator()
  
      if terms_ref is not None:
          monkeypatch.setattr(qOp, "terms", terms_ref)
  
      vqe_observable = qml.qchem.convert.import_operator(
          qOp, "openfermion", custom_wires
      )
  
      if isinstance(custom_wires, dict):
          custom_wires = {v: k for k, v in custom_wires.items()}
  
      assert qml.qchem.convert._openfermion_pennylane_equivalent(
          qOp, vqe_observable, custom_wires
      )
  
imports: import os
  import sys
  import pytest
  import pennylane
  from pennylane import numpy
  from pennylane import qchem
  from pennylane.operation import disable_new_opmath, enable_new_opmath
label_desc: Use image node_id 4 for calling a global function with example usage: test_observable_conversion(_, terms_ref, custom_wires, monkeypatch) without return types