How to use the quantuminspire.qiskit.QI.set_authentication function in quantuminspire

return get_token_authentication(token)
    else:
        if QI_EMAIL is None or QI_PASSWORD is None:
            print('Enter email:')
            email = input()
            print('Enter password')
            password = getpass()
        else:
            email, password = QI_EMAIL, QI_PASSWORD
        return get_basic_authentication(email, password)


if __name__ == '__main__':

    authentication = get_authentication()
    QI.set_authentication(authentication, QI_URL)
    qi_backend = QI.get_backend('QX single-node simulator')

    q = QuantumRegister(2)
    b = ClassicalRegister(2)
    circuit = QuantumCircuit(q, b)

    circuit.h(q[0])
    circuit.cx(q[0], q[1])
    circuit.measure(q, b)

    qi_job = execute(circuit, backend=qi_backend, shots=256)
    qi_result = qi_job.result()
    histogram = qi_result.get_counts(circuit)
    print('\nState\tCounts')
    [print('{0}\t\t{1}'.format(state, counts)) for state, counts in histogram.items()]
    # Print the full state probabilities histogram

return get_token_authentication(token)
    else:
        if QI_EMAIL is None or QI_PASSWORD is None:
            print('Enter email:')
            email = input()
            print('Enter password')
            password = getpass()
        else:
            email, password = QI_EMAIL, QI_PASSWORD
        return get_basic_authentication(email, password)


if __name__ == '__main__':

    authentication = get_authentication()
    QI.set_authentication(authentication, QI_URL)
    qi_backend = QI.get_backend('QX single-node simulator')

    q = QuantumRegister(3, "q")
    c0 = ClassicalRegister(1, "c0")
    c1 = ClassicalRegister(1, "c1")
    c2 = ClassicalRegister(1, "c2")
    qc = QuantumCircuit(q, c0, c1, c2, name="conditional")

    qc.h(q[0])
    qc.h(q[1]).c_if(c0, 0)  # h-gate on q[1] is executed
    qc.h(q[2]).c_if(c1, 1)  # h-gate on q[2] is not executed

    qc.measure(q[0], c0)
    qc.measure(q[1], c1)
    qc.measure(q[2], c2)