I am persuing some older code as below
ferOp = FermionicOperator(h1=molecule.one_body_integrals, h2=molecule.two_body_integrals)
...
qubitOp = ferOp.mapping(map_type='parity', threshold=0.000001)
qubitOp = qubitOp.two_qubit_reduced_operator(num_particles)
but am getting the following error:
AttributeError: 'WeightedPauliOperator' object has no attribute 'two_qubit_reduced_operator'
Any suggestions for how to fix. I am using qiskit version:
qiskit 0.14.1
qiskit-aer 0.3.4
qiskit-aqua 0.6.2
qiskit-ibmq-provider 0.4.5
qiskit-ignis 0.2.0
qiskit-terra 0.11.1